Four pages of rare species are available:
Mont Saint-Hilaire -- Francon -- Sweden
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Worldwide Species
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AENIGMATITE, Sandefjord, Vestfold, Langesundsfjord area, Norway - 40mm pieces with opaque black xl fragments of aenigmatite in matrix, generally more of the former than the latter. Ugly but rich, $10
ANTLERITE, San Francisco Mine, Sierra Gorda, Antofagasta, Chile - Quite small (<1mm) lustrous blocky green crystals, mostly in xl balls, druses. Wonderfully rich, sparkling specimens, great fun with magnification, each is loaded with countless crystals. 50mm specimens $15 each.
ANDROSITE-(La), Grubependity Lake, Balbanyu River, Sub Polar Ural Mountains, Russia - Tiny thin platy reddish brown xls embedded in a small matrix, 11x5x4mm; not pretty or anything but kind of cool looking. A very rare member of the epidote group, first found in Greece, now known from perhaps three or four localities at the most. $60
ARHBARITE, CONICHALCITE, ENARGITE, El Guanaco gold mine, 93 km east of Taltal, Antofagasta Province, Chile - Electric blue botryoidal lining small vugs with quite small green conichalcite druses and balls in quartz matrix in which is embedded sparse to abundant xln/mssv black enargite. First discovered in Morocco, this is only the second known locality for this copper arsenate - so it ain't just pretty, it's rare! A wide range of specimens is now available, micro to minature, $10-$80: Click here to go to the arhbarite page
ARSENIC, PYRARGYRITE, Storliden Mine, Vasterbotten, Sweden - Good rich specimen of this semi-metal, dull black botryoids in contrasting white calcite, with small amounts of filmy red pyrargyrite.
ASBECASITE, ALBITE, MICROCLINE, SCHORL, Tennvatn pegmatite, Sorfold, Norland, Norway - A fractured 10mm yellow-brown mass, with moderately interesting micro xlized associates, the microcline an attractive green, the schorl in sparse needles. 45x30x20mm, $45
ASCHAMALMITE, near Ascham Alm, Untersulzbachtal, Austria (TYPE LOCALITY) - Small pieces of white quartz with sparse grey needles of aschamalmite to a few mm. 15-20 mm pieces $10; 25-30 mm pieces $15
ASTROPHYLLITE, Eveslogchorr Mt., Khibiny Massif, Kola Peninsula, Russia - One left, attractive radiating lustrous brown spray in matrix. Nice miniature, $18
ASTROPHYLLITE, Barkevik, Langesundsfjorden, Norway - Single lustrous golden-brown tabular prismatic crystal sections in nicely contrasting white feldspar matrix. Not bad for the mineral, but no terminations. Somewhat unusual to get nice single xl sections like these, it's more often seen as sprays or aggregates. A couple of pieces with a 25-30mm long xl in 30-40mm matrix are $15 each, and there's one 35x12mm xl with a nice micro zircon xl, in 40mm matrix, at $25.
BERYLLONITE, Telirio Mine, near Corrego Frio, Minas Gerais, Brazil - Colorless crystals, mostly fairly crude, some facet-grade. Crystals like these are most unusual. 10-25 mm, priced by size and quality, $8-$50 each
BEYERITE, KETTNERITE, ADAMITE, Heraklion Mine, Laurium, Greece - White films, minute popcorn-like aggregates, with massive greenish kettnerite, most with massive to well xlized adamite, 7-15mm pcs in Euro micromount boxes, $6 ea.
BOBIERRITE, Iron Mine, Kovdor Massif, Kola Peninsula, Russia - Small crystals, none perfect, to about 5mm here and there in a vuggy area in dolomite matrix, associated with nice micro dolomite xls and minor magnetite, pyrite, chalcopyrite, pyrrhotite. 40x25x20mm, $16
BOLEITE, Margarita Mine, Sierra Gorda, Antofagasta, Chile - Small but very pretty blue cubes and plates scattered across matrix, great stuff with 30-40x. 3-5cm pieces, $15
BORACITE, Luneberg, 40 km S-SE of Hamburg, Lower Saxony, Germany - Unusually large and well-formed modified cubes, but not great on color, being mostly a dull brown. The sharpest 5mm xls are $12 each, just as big but not as well formed are $10 each; decent 4mm xls are $8 each, and smaller xls, running 2-3mm in size, great for mm's, are $4 each.
BRANDTITE (Cobaltian), Veta Negra Mine, Pampa Larga District, Tierra Amarilla, Atacama Province, Chile - Strange pink semi-xln aggregates richly covering matrix, rich and quite unusual for a mineral that is almost always colorless and microscopic. The unique pink color is caused by cobalt.
BREITHAUPTITE, Cobalt, Ontario - Sort of rosy-metallic solid heavy 20mm chunk of NiSb, one sawn face. TN, $5
BREWSTERITE-Sr, Strontian, Argyll, Scotland - A druse of small lustrous well-formed xls, ever so slightly yellowish, to about 3mm, lining a shallow vug 25mm across in a 50x40x25mm matrix. Classic old locality. $16
BROWNMILLERITE, Bellerberg, Ettringen, Germany - (TYPE LOCALITY) - Minute black specks, quite abundant in white matrix, 20x required for best appreciation. Roughly 1cm pieces, $12 each.
CALCIO-ANCYLITE-(Ce), PEROVSKITE, Afrikanda Massif, Kola Peninsula, Russia - Fairly nice reddish-pink equant xls to 2mm, with black massive to cubic perovskite. Micromounts, 3-15mm pieces, $20 each.
CALCIO-ANCYLITE-(Ce), PARISITE/SYNCHYSITE, FLUORITE, etc., Hundholmen, Tysfjord, Nordland, Norway - A single micro xl of calcioancylite-(Ce), quite good but small, about 0.5mm, and nothing to write home about, in a tiny vug, with yellowish to orangish embedded mssv/xln parisite/synchysite, in a busy matrix with mssv purple fluorite, mica, and feldspar. Good locality specimens of a rare carbonate, only two 30mm specimens available, at $20 each
CARACOLITE, Buena Esperanza Mine, Challacollo, Iqueque, Chile - Excellent sharp pseudohexagonal stout to long prismatic clear colorless crystals to a few mm. Superb, rich, beautifully crystallized specimens, lovely under the scope! Great stuff considering it's known from only a half dozen localities. Major bang for the buck here folks. 40-50mm pieces, $75 each. A few micromounts available at $20 each.
CHALCOPHYLLITE, Salsigne Mine, 15 km N of Carcassone, Aude, France - Micromounts with emerald-green platy chalcophyllite masses, all showing some fair xlization with 20x or so. $6 each
CHLORBARTONITE in RASVUMITE, Mt. Koashva, Khibiny Massif, Kola Peninsula, Russia - (TYPE LOCALITY) - This new mineral occurs as small (<1mm) exceedingly lustrous metallic blackish grains, embedded in bronzy to iridescent acicular rasvumite. Neat association of rare sulfides! Approx. 5mm specimen, $45. (Very recently offered elsewhere at $125 - $200 a pop!)
CORNETITE, HEMATITE, Manto Ruso Mine, ~85 km north of Copiapo, Atacama Province, Chile - A large, vuggy matrix, loaded with massive to flaky silvery-black hematite, has countless thousands of tiny transparent blue cornetite crystals scattered all over. They're small, about 0.3mm, but just gorgeous under the scope, and there are so many in one vug that it's lined with a glistening blue 20x10mm crystal carpet. One could easily spend twenty minutes scoping this piece, it's perfect for photomicrography. It would yield countless micromounts, but I'm not about to trim it down. A great piece from a now-defunct mine. 70x60x40mm, $65
DIADOCHITE, Richelle, Liege, Belgium - An off-white rounded lump 25mm across. TN, $10
DRESSERITE, DAWSONITE, Francon Quarry, Quebec - A group of off-white xl balls, each about 3mm across, altogether about 10mm across, with minor micro dawsonite, on sawn matrix. Amazing specimen, type locality, no more coming out. 25mm across, TN, $90
EDENITE, Ilmeny Mountains, Southern Urals, Russia - Dark green cleavages, specimens in the 10mm range, $5 each
EPISTOLITE, ALBITE, AEGIRINE, GMELINITE, GALENA, SPHALERITE, Kvanefjeld, Ilimaussaq, Greenland - A thin 20x15mm platy xl fragment, sort of an ivory hue, in albite-aegirine matrix, with micro hexagonal gmelinite xls, good micro albite xls, and minor micro masses of galena and sphalerite. An excellent epistolite specimen! 60x50x45mm, $45
EUDIALYTE, Mt. Kukisvumchorr, Khibiny Massif, Kola Peninsula, Russia - Highly polished cabochon, very nice deep red color, superbly cut, perfect for a rough & cut collection. $20
EUDIALYTE, Mt. Kukisvumchorr, Khibiny Massif, Kola Peninsula, Russia - Nice red xls in matrix; no great aesthetics but good for the species. 40x40x30mm, $22
EUDIALYTE, Norra Karr, Granna, Smaland County, Sweden - Reddish-pink massive in a white albite matrix, rich and even somewhat attractive! 10x5x3cm, $16
EUDIALYTE, Sheffield Lake Complex, Kipawa River, Quebec - Nice bright red/pink masses in matrix, 5-8cm miniatures $5 each. Click here to see a large cabinet specimen.
FEITKNECHTITE, Noda-Tamagawa Mine, Iwate Prefecture, Japan - Dull brown masses. 1-2 cm chunks $6 each, 4 cm pieces $15 each.
FERROSILITE, Shartash, Zlatoust district, Ural Mountains, Russia - Massive black chunks in the 1cm range, $5 each
FLUOBORITE, FLUORITE, Karagaily-Aktas, Eastern Kazakhstan - Unusually rich, slightly attractive even; bands of fibrous white fluororite interspersed with bands of purple fluorite. 3x3x1cm, $20
FLUORORICHTERITE, Open Pit #97, Ilmeny Mountains, Southern Urals, Russia - Clear green long prismatic xls embedded in calcite, quite nice with low magnification. Roughly 10mm specimens, $6 each
FLUORNATROMICROLITE, ALBITE, MICA, Mokrusha pegmatite, Murzinka Region, Middle Urals, Russia - Minute brown grains, 0.5mm or so, embedded in a 25mm matrix. $30
FRAIPONTITE, Challacollo Mine, Challacollo District, Iquique Province, Chile - Small ivory colored flakes to 1mm scattered on matrix, naked-eye visible but best appreciated with at least low magnification. The odd decent xl aggregate but mostly flaky. Good specimens of this unusual member of the kaolinite-serpentine group, around 40-50mm across, $15 each.
Francon Quarry, Montreal, Quebec minerals are here
GETCHELLITE, Khaydarkan, Osh Oblast, Alay Mountains, Kyrgyzstan. (NOT NEVADA!!!) An essentially pure cleavage plate of brilliantly lustrous bright red foliated getchellite, with minor associated calcite. Very seldom available in display-quality specimens! TN, 22x22x5mm, $45
GILLESPITE in SANBORNITE, La Madrelena Mine, Tres Pozos, Municipio de Tecate, Baja California, Mexico - Crimson cleavages in white sanbornite, interesting barium silicates. 30-50 mm pieces, $5 each
GOYAZITE, APATITE, Palermo Mine, North Groton, Grafton County, New Hampshire - A chunk of white quartz is host to an xln patch of modest prismatic white apatites and fairly nice white goyazite rhombs, both requiring 20x or at least a loupe for best appreciation. 40x25x20mm, $20
GUANACOITE, El Guanaco gold mine, 93 km east of Taltal, Antofagasta Province, Chile - Lovely transparent sky blue long prismatic crystals of this Cu, Mg arsenate, IMA approved about a year ago, with electric-blue botryoidal arhbarite, green botryoidal conichalcite, and minor black xln enargite embedded in matrix. TYPE and ONLY locality. Micromount to miniature size, $15 - $110. BEAUTIFUL AND RARE!
GUSTAVITE, Rotgulden Mine, Lungau, Salzburg Province, Austria - Very rare platy grey striated xls to a few mm in vugs in massive sulfides. Specimens in the 2cm range, very cheap @ $15 each.
IRANITE, Santa Ana Mine, Chile - Brown tabular xls in groups, larger than average for the mineral. Possible associates are deep red wulfenite, galena, cerussite. Priced by quality of crystals, not size of matrix. Decent representative specimens, 30-50mm in size, with 1mm crystals, $30 each. A few pieces with extra-nice xls, great under the scope, 30-40mm matrix, are $75 each. Not pretty, but awesome for the species.
JASMUNDITE, Bellerberg, Ettringen, Laacher See, Eifel, Germany - (TYPE LOCALITY) - Quite rich blackish vitreous masses in white portlandite matrices, averaging about 15mm across, $12 each.
JEREMEJEVITE, Ameib Farm, Erongo Mountains, Namibia - Small blue crystal sections from this recent find, 7-12mm long, $8 each. Nice long prismatic terminated crystals, colorless, yellowish, to pale blue, 9-14mm long, $15 each.
JEREMEJEVITE, Mile 72, Swakopmund, Namibia. Four small loose crystals of this rare borate are available from recent mining. I think it can be safely said that no more of these will be retrieved from this location, as a great deal of money was spent moving a large amount of rock, with very little found. 8-13mm, $35-$60
JOAQUINITE, BENITOITE, NEPTUNITE, NATROLITE, Benitoite Gem Mine, Diablo Range, San Benito County, California - About a dozen small brown crystals of joaquinite, to 0.5mm or so, with a dull blue benitoite crystal of 12mm and a 15mm long neptunite crystal section, as well as several nicely terminated micro neptunite xls. All have been exposed by leaching away massive white natrolite. Nice combination piece of the most interesting minerals from this classic US locality, on blue-ish amphibole matrix. See MR V8#6 for info. 50x50x30mm, $45
JOAQUINITE, NEPTUNITE, NATROLITE, +?, Benitoite Gem Mine, Diablo Range, San Benito County, California - An unusually large tabular brown joaquinite crystal, 1.5mm across, perfectly exposed on a seam of white natrolite matrix. Ten seconds longer in the acid bath and this would have been turned into a floater xl. Minor neptunite associated, as well as a lot of tannish jackstaw clusters of what appears to be silica pseudomorphs after serandite. Typical blue-ish amphibole matrix. Unusually large joaquinite crystal, reasonably appreciable with the naked eye. 40x40x20mm, $39
KALIPYROCHLORE, Lueshe Deposit, Kivu Province, Congo - A loose 3mm octahedron, tan, somewhat rough. $20
KOTTIGITE-PARASYMPLESITE, Ojuela Mine, Mapimi, Durango, Mexico - A cute TN with an 18mm fan of deep blue kottigite-parasymplesite on the typical Fe oxide matrix. No terminations or crystal faces, but pretty good for the mineral, quite attractive in a funky way. A little bit of bright yellow legrandite is present. See the Ojuela issue of MR, p.68-69 for info. 25x20x10mm, $35
KTENASITE, GYPSUM, Glomsrudkollen, Amot, Modum, Buskerud, Norway - Gorgeous blue-green thin platy micro xls in fans and films. A) Good freestanding xls, with superb transparent gypsum xls, 15mm matrix, $20; B) A larger specimen, 35x25x20mm, but the ktenasite xl fans s are film-like, small splotches lying flat on matrix, which makes for a specimen with a fair bit of naked-eye-visible ktenasite, which is pretty cool, but it doesn't look like much under the scope. $30
LAMMERITE, SAMPLEITE, El Guanaco gold mine, 93 km east of Taltal, Antofagasta Province, Chile - Rich and beautiful specimens of a mineral known from perhaps four localities. Platy green crystals and balls of crystals, ~1- 2mm, along with electric-blue balls of what is most likely sampleite.
A) relatively modest micromounts, $8;
B) 30-40mm specimens, rich in green xln/mssv lammerite on most sides of the matrix, with some good xls, $20 each;
C) 30-50mm specimens with SUPERBLY XLIZED green lammerite, rich and gorgeous, these are knock-your-eye-out pieces, too rich to break into mms, $40 each
LAVENDULAN, Hilarion Mine, Laurium, Greece [NON-SLAG]- Exquisite 1 mm bright blue radiating xl balls, most incomplete, looking like miniature Indian cavansites. Rich specimens with miniature-size matrices and lots of lavendulan, lovely under the scope. Roughly 4cm pieces, $15
LAWSONITE, GLAUCOPHANE, ALMANDINE, in MUSCOVITE, 0.5 miles east of Reed Station, Tiburon Peninsula, Marin County, California (TYPE LOCALITY, now extinct) - An enormous 65x30mm pale brown to white crystal section of lawsonite is associated with micro blue needles of glaucophane and tiny red almandine xls, in lustrous silvery-greenish muscovite matrix. There's little in the way of crystal faces, but it's evident that this is a crystal section. Not aesthetic at all, but impressive for the mineral, and the locality is now covered by houses. 70x50x20mm, $75
LEUCOPHANITE, Tvedalen, Langesundfjord area, Vestfold, Norway - Highly unusual solid chunks of yellowish/brownish leucophanite, no matrix, ~40mm across, $12 each.
LINDGRENITE, LIBETHENITE, Carrera Pinto Quarry, Copiapo, Chile - Clusters of transparent green blades, 2mm max, in vugs with very small darker green libethenite xls, druses. Very nice under the scope, specimens 40-70mm, $20
MAGNESIOHASTINGSITE, Kovdor Massif, Kola Peninsula, Russia - Friable chunks of intergrown crystal sections, rarely terminated, specimens in the 10mm range, $5 each
MARGARITASITE, Margaritas Uranium Deposit, Pena Blanca District, 70 km north of Chihuahua City, Chihuahua, Mexico - (TYPE LOCALITY) - Minute yellow masses, 1-2mm in size, of an unusually intense yellow, scattered here and there throughout matrix. Micromounts, 4-10mm, are $6
MASUYITE, BOLTWOODITE, URANOPHANE, Rabbit Lake Mine, Woaston Domain, Saskatchewan, Canada - A smallish thumbnail with a ~10mm orangish smear of masuyite amongst much yellow powdery boltwoodite and uranophane. From a little-known Canadian uranium mine. Radioactive, so don't eat this rock. 20x15x10mm, $60
MELLITE, Csordakut Mine, Tatabanya, Hungary - A pair of connected brown xls, well formed and with decent luster, the largest 22mm across. That's just under an inch, and that is a good sized mellite xl. One corner of the main xl is missing, and there is one other contact, otherwise nicely formed. Nice blue FL under SW. An unusual mineral found in coal mines, perhaps a half dozen localities known. TN, $75
MISERITE, EUDIALYTE, AMPHIBOLE, etc. Sheffield Lake Complex, Kipawa River, Quebec - Solid dull purplish/red cleavage masses trying to hide out amongst the usual suspects. Only detected after much Sherlock Holmesing, while sorting out a couple of flats of eudialyte collected in the late eighties - this stuff is rare and inconspicuous, the color is only subtly different from the abundant eudialyte. A 20mm mass, with a bit more on the back. 100x60x25mm, $20
MIXITE, MALACHITE, Clara Mine, Oberwolfach, Schwarzwald, Germany - Quartz matrix hosts vugs lined with felted amorphous to acicular mixite upon which are a few very cute malachite spheres to 2mm. Nice under the scope, and quite appreciable with the naked eye, which is unusual for the mineral. 45x40x40mm, $30
MURDOCHITE +++, Los Azules Mine, 345 km east of Copiapo, Copiapo Province, Chile - richly crystallized, some with spectacular associated minerals. The murdochite crystals are small, about 0.5mm, but they're sharp, lustrous black and relatively abundant.
The possible associates are: white to smoky brown cerussite, sixling twins, xls seldom complete; lustrous deep green acicular brochantite; crude to quite sharp sort of tabular malacite pseudomorphs after azurite; deep blue linarite; botryoidal black coronadite, chrysocolla, quartz, and some mssv sulfides.
A) Excellent murdochite xls with a bit of brochantite, not much else. These are the nicest of the murdochite crystals, they're more distinct, less jumbled and intergrown, and a bit bigger, though still awfully small. Very good specimens, where the sparkling xls are actually relatively appreciable with the naked eye, 30-50mm across, $28 each.
B) Good representative murdochite specimens; small sparkling xls scattered around with a bit of brochantite or linarite or malachite ps azurite, 40-50mm across, $20 each.
Individual specimens with particularly nice associated minerals:
C) Good representative murdochite with KILLER GORGEOUS GREEN brilliant acicular brochantite, a loose druse about 20mm across, just incredible under the scope, plus malachite ps azurite. 50x30x40mm, $26
F) Good murdochite with very pretty scattered brochantite xls, gorgeous under the scope, plus mal ps az, 50x40x40mm, $22
H) Good murdochite with nice small tabular smoky cerussite xls plus mal ps az, linarite, brochantite, in a deep cleft, 45x30x25mm, $24
I) A couple of specimens with good murdochite but excellent malachite ps azurite, very cool pseudos, 50-60mm across, $25
J) Good murdochite, the best linarite crystals of the lot, imperfect twinned cerussite, brochantite, carpeted with mal ps azurite, what a combo, 40x30x15mm, $30
MONOHYDROCALCITE, South Maricopa Mountains, Maricopa County, Arizona - Odd, very light, brownish masses, 10mm pieces are $6 each
MURMANITE, Lovozero Massif, Kola Peninsula, Russia - A highly lustrous purple tabular 20x12mm crystal section in a 30mm matrix, very cool TN, more visually pleasing than usual for the species. $30
NAGYAGITE, Nagyag (now Saracamb), Transylvania, Romania - Your typical paper-thin dull grey crystal fragments, sans matrix, about 1cm across. Neat TN's of a classic rarity from the type locality, only $22 each. (If these had matrix, the price would be doubled, and have another zero on the end... and if it was at all aesthetic it would then be tripled... this is seldom-seen stuff!)
NARSARSUKITE, Illutalik, Ilimaussaq, Greenland - Excellent sharp yellow/green tetragonal prisms to about 3mm long, lots of 'em, embedded in matrix. 20-30mm pieces, will make nifty micros, $9 each
NEOTOCITE, Taylor site, Baraga County, Michigan - Lustrous resinous black masses, on the sparse side, in matrix. A must-have if you're putting together a competitive display of uglies! 5-7cm specimens $6
OLIVENITE, El Guanaco gold mine, 93 km east of Taltal, Antofagasta Province, Chile - Very nice sharp 1mm somewhat brownish green xls scattered across matrix, quite rich, excellent under the scope. Some with modest barite xls. Would make lots of mm's! 40-70mm specimens, only $12 each!
OSARIZAWAITE, WULFENITE, MIMETITE, Santa Ana Mine, Sierra Gorda District, Antofagasta Province, Chile - Bluish druses of very tiny xls, 45x just picks up the glinting xl faces, fairly typical for the mineral, with good to excellent wulfenite and mimetite xls. Sparse specimens of this rarity, 30-50mm, $20
PARATACAMITE, La Vendida Mine, Sierra Gorda, Antofagasta Province, Chile - Insanely cool eye candy! Transparent green twinned xls in vugs and scattered across surfaces. I can't even explain the twinning; basically, when perfectly developed and freestanding, you can see that each xl is a pair of long, thin, pointy crystals twinned so that when you look down the long axis you see an X. Dunno if that makes any sense, but great fun for the crystallographer. Xls range from 2-4mm, easily seen without magnification but you definitely need 20x to see the twinning. 40-60mm specimens are only $16 each.
PARATACAMITE pseudo after NANTOKITE, Mina La Farola, 500 mines north of Santiago, Copiapo Province, Chile - A neat old glass vial about 40mm long and 10m across, with just the bottom full of powdery green goodness. Nantokite, CuCl, alters very quickly; I'm not sure if anybody has managed to preserve the stuff. These and other copper minerals make up the green films on ancient bronze artifacts, and are of great interest to archaeological conservators fighting the corrosion of bronzes in museums. Hence kind of interesting stuff. $35
PECORAITE, Lipovka, Ural Mountains, Russia - Moderately attractive bright green massive in quartz matrix, modest specimens of a fairly uncommon Ni silicate that never amounts to much. 10mm specimens $5 each
PENFIELDITE, BOLEITE, Margarita Mine, Sierra Gorda, Antofagasta, Chile - Good colorless hexagonal prisms to a few mm long in vugs, with varying amounts of sandy blue subhedral boleite. Excellent under the scope. Fluoresces orangish under SW UV. 3-5cm pieces, $20
PENTAGONITE on HEULANDITE, Wagholi Quarry complex, 20 km NE of Poona, Haharashtra State, India - Far rarer in India than its dimorph cavansite, and perhaps even more attractive. Only three specimens available, a miniature and two TN's. TALK ABOUT COLOR! Electric blue, check out the pix. Really nice crystallization revealed by a bit of magnification. See the India Issue of MR, V34, #1, pp.40-43, and a good article on the dimorphs by John S. White in R&M. Don't have the issue # of that one on hand, but it and a good discussion of what these vanadium minerals are doing in the Deccan Traps, by Ottens, is available online.
A) Click here for photos. A 7mm ball of bladed blue crystals with really odd, rough-looking terminations, dappled with 1mm clear colorless calcite rhombs, on a druse of glistening white heulandite xls to a couple of mm. A cute miniature, and absolutely gorgeous under the scope, the terminations are quite distinctive. The base of the matrix is sawn (doesn't detract at all from the appearance) and the only imperfections are microscopic. 30x30x20mm, $65
B) Click here for photos. A spiky 10mm cluster, 15mm if you measure it along a very cool protruding crystal, perched on a 20mm heulandite-coated matrix. Incredible color and crystallization, some twinning visible with magnification, though there is some damage present, which is barely noticeable with the naked eye. TN, $75
PETALITE, Genipapo Mine, near Taquaral, Minas Gerais, Brazil - Highly gemmy colorless prismatic crystal fragments, a small degree of xlization present, far more than the usual formless masses available. A rare gem rough saved from the cutters. TNs, 15-25mm long, $10 each; chunkier pieces, 25-35mm long, $15 each
PETALITE, Varutrask pegmatite, Sweden - grey/white cleavage, ~4cm, no matrix, $10
PHOENICOCHROITE, Santa Ana Mine, Chile - Surprising specimens of this Pb chromate, deep red (nearly black) lustrous cleavages embedded in matrix. Possible associates include red wulfenite, cerussite, galena. Some of the matrix includes sulfates - thenardite/glauberite - that will attract moisture if kept in a humid environment; giving them a shot with a blow drier will dry them up if necessary.
A) Good reference specimens, with a few small cleavages to a few mm across, mm's $5, TN's to small miniature sizes $10 each.
B) Richer specimens, with larger masses of phoenicochroite, around 5-10mm, completely appreciable without magnification, matrix size 40-50mm, $25 each.
C) Exceptionally nice specimens, only a few available, with phoenocochroite masses of 10mm, 50-60mm matrix size, at $75 each. Amazing for the mineral!
PHURCALITE, Posey Mine, Red Canyon, San Juan County, Utah - Bright yellow smears and druses of minute acicular xls, quite rich and attractive on matrix. Radioactive, and named for it's composition. Neat under the scope at 45x. Only two thumbnails available, $14 each.
POTASSIUM ALUM, near Silver Peak, Nevada - yeah, its a real mineral, ice-like 2cm chunks TN $6
PROBERTITE, Borax Pit #3, near Ryan, Inyo County, California - Whitish/tan colored sort of fibrous/xln fragment. TN, $10 Not worth photographing, you'll have to use your imagination.
PSEUDOMALACHITE, Cerro Colorado Mine, Iqueque, Chile - Dozens of <1mm deep green balls scattered in vugs in matrix. Good potential for really nice photomicrographs. What a cool mineral! 40-50mm pieces $18 each.
PURPURITE, Sandamab Mine, between Usakos and Klein Spitzkopje, Namibia - Good solid purple chunks of this phosphate that never forms xls. Bought a whole pile of it so you get great prices! 10-20mm pcs $3; 30-40mm pcs $5; 50-60mm pcs $15; and a few 70-90mm pcs at $20 each.
SAMPLEITE, ATACAMITE, Santa Catalina Mine, near Sierra Gorda, Antofagasta Province, Chile - Gorgeous free-standing hot blue xl clusters averaging 1mm across, with some green atacamite blades, concentrated in a vuggy area 20-30mm across. Spectacular under the scope. 50x30x25mm, $30
SAMPLEITE, ATACAMITE, Santa Catalina Mine, Sierra Gorda, Antofagasta Province, Chile - Electric blue flat-lying xln scales of sampleite with varying amounts of green atacamite films. $19. Many others available - please inquire.
SCHLOSSMACHERITE, El Guanaco gold mine, 93km east of Taltal, Antofagasta Province, Chile - Superb rich specimens of a mineral known from a single spot in Chile. Pure solid veins, films of schlossmacherite on and in quartz matrix, some with a bit of micro scorodite +?. Neat, colorful specimens of a real rarity. An attractive shade of green, so not bad looking stuff!
B) Irregular coverage, mainly 60x20mm, another area 40x20, and much in thin films on the back side. 80x50x40mm, $60
D) Small miniature with 45x30mm face covered, but a lighter shade of green, $40
E) Small miniature with ~30x30mm coverage, pale green, thin irregular film, $35
F) Good reference specimens, 40-60mm across, thin patch films on more than one surface, $20 each
SCHWARTZEMBERGITE, BOLEITE, San Francisco Mine, near Caracoles, Sierra Gorda District, Antofagasta Province, Chile - A rare and beautiful mineral known only from about a half dozen mines in Chile. Crystals look much like wulfenite, small, < 2mm very thin, transparent, bright yellow-orange, papery, flaky masses, druses, and incredibly beautiful xl groups in vugs. These specimens are superb, some of the best new Chilean rocks you'll ever see. All but the micromounts have naked-eye-visible schwartzembergite, though at least a loupe is required and 30x or so is best. The boleite is very blue but sparse and very small.
A) micromounts, decent reference specimens, $8
B) micromounts, very nicely crystallized, $14
C) 30-60mm specimens, reasonably rich and decently crystallized, $20
SCORODITE, El Guanaco gold mine, 93 km east of Taltal, Antofagasta Province, Chile - Gorgeous sharp transparent blue or green (depending on light source) micro crystals in druses, clumps, and/or individual crystals liberally scattered across colorless drusy quartz. They're small, under 1mm, but there's millions of them and specimens are of good size - 50mm plus. Fabulous for micromounting. The odd pale yellow barite associated.
A) Several specimens so rich that they are quite appreciable without magnification, neat sparkling druses looking a bit like Boulby Mine boracites, but on a smaller scale. Not jaw-dropping display material to be sure, but vastly less expensive than the big xls from Tsumeb or Mexico, at $20 each.
B) Specimens with less dense xlization, still tons of xls but not in rich druses, $10 each.
SEKANINAITE, Mt. Rischorr, Khibiny Massif, Kola Peninsula, Russia - Pure opaque black fine-grained masses of this seldom-seen silicate. 5-7mm pieces, most with a sawn face or two due to analysis work, $18 each
SENARMONTITE, Djebel Hamimat Antimony Mine, near Constantine, Algeria - I was very surprised to acquire a nice lot of these, they're from Germany's Senckenberg Nature Museum, and the label is dated 1910! Senarmontite is not very rare, but it hardly ever comes in crystals of any size. These are loose octahedra, grey to sort of off-white, with a bit of bruising around the edges, having been stored together for the last ninety years or so; not exactly lookers but great for the mineral. The best is 9mm on its longest edge, with a couple of much smaller xls attached on the backside, at $20. 8mm+ xls are $15 each; 6mm+ xls are $10 each; and 4mm+ xls are $6 each.
SIDERONATRITE, GYPSUM, +?, La Compania Mine, SW of Calama, Sierra Gorda District, Antofagasta Province, Chile - Good rich specimens, 50-60mm across, with reasonable amounts of massive to modestly crystallized yellow sideronatrite in a matrix of gypsum and an unknown dark brown mineral. Nice examples of the mineral, $24 each. One nifty tn left for $8, click here for photos.
SIDERONATRITE, Chuquicamata, Antofagasta, Chile - Small orange chatoyant fibrous masses. A bunch of loose pieces to 4mm or so in a mm box, $4
STEACYITE, AEGIRINE, in CHAROITE, Murun Massif, Aldan, south of Olekminsk, between Olekma and Chara Rivers, Yakutia, Russia - Nice FL in SW UV. A) sold; B) sold; C) four single untwinned steacyite crystal sections to 7mm with aegirine in charoite, $35 D) one untwinned steacyite crystal section 10mm long with several aegirine suns in charoite, $25
STIBIOTANTALITE, Greenbushes Tinfield, 150 miles south of Perth, Western Australia - (TYPE LOCALITY) - A half a gelcap of fine-grained concentrates; grains averaging well under 1mm, interesting under the scope but no xlization, probably includes some cassiterite and other species. $8
SUOLUNITE, Black Lake Mine, Thetford, Coleraine Township, Quebec - Pale lilac mass with one face showing drusy xlization, good rich specimen of a rare mineral, 40mm, $60
TAKOVITE, Sounion, Laurium, Greece - Super-rich 3.5 to 4cm chunks of essentially solid massive takovite, looking much like pale turquoise, in the subdued greenish-blue shades. Good specimens, $20 each.
TROILITE, Mt. Tachtarvumchorr, Khibiny Massif, Kola Peninsula, Russia - Moderately interesting specimens of FeS; small, metallic, somewhat brassy, platy crystal cross-sections, 1-4mm, embedded in matrix. Troilite is known from about as many meteorites as it is from Earth deposits. 15mm specimens, $12 each
VALLERIITE, Whitehorse Copper Belt, Whitehorse, Yukon Territory, Canada - Rich dark bronzy massive in matrix, 40x25x25mm, $12
VILLYAELLENITE, ERYTHRITE, ARSENIOSIDERITE, PHARMACOSIDERITE, TENNANTITE, +++, Veta Negra Mine, Pampa Larga District, Tierra Amarilla, Atacama Province, Chile - Gorgeous micro tabular transparent red micro sprays, druses, of villyaellenite with varying amounts of: lovely red erythrite xls, minor brown acicular balls of arseniosiderite, small green pharmacosiderite, massive tennantite, xln gypsum, pale pink drusy/grungy to xln rhodochrosite, mssv/bladed barite. (All specimens have arrows to help distinguish the sparse villyaellenite from the more abundant erythrite. The vill. xls have flat, chisel-shaped terminations, the erythrite terminations are slanted. The erythrite is also a bit darker in color.) Highly interesting, beautiful, rare material! Good sized specimens, 50mm across, ridiculously cool with 30x, each with two or more crystal sprays of villyaellenite, maximum ~2mm. $60 each.
WILUITE, Wilui River Region, Sakha Republic (Yakutia), Russia - Nice sharp doubly terminated floater xls, dark green/black, most with small adhering grossular xls. Long thought to be merely vesuvianite, recently approved by the CNM MNMMA. Pretty nice crystals for a new species! Smallish TNs, 9-12mm long, $15 each
WODGINITE, Tanco Mine, NW shore of Bernic Lake, ~180 km NE of Winnipeg, Manitoba - From frozen, windswept northern Manitoba (population 150 - more walleye than humans!) come these unusual ore samples - black crystal sections of wodginite to a couple of mm scattered throughout matrix, some with white beryl or a bit of blue fluorapatite, all with at least one decent crystal suitable for micromounting, easily trimmed to expose more xls. Neat stuff! Specimens of generous size, 60-70mm across, only $16 each
XENOTIME-(Y), Nova Horizonte, Bahia State, Brazil - Good lustrous loose brown xls or parallel xl groups, mm-TN. 8mm xls $5; 10-14mm xls $8; 17mm xls $15, and a few jumbo xls, 20-23mm at $20 each.
To order, simply email me, tjokela@execulink.com, but please read this page first.
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