Mixed Minerals!

An assortment of mixed minerals from around the world.

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SVP01 Spodumene var. Triphane
Mawi, Nuristan Prov., Afghanistan
12.4x 2.6x 1.8 cm

A sharp and perfectly terminated gem crystal of light yellow triphane from Afghanistan.  I don't usually buy these, but this one appealed to me as it does  not have the usual etching.  That allows its gem interior and sharpness to be appreciated.

While this is by no means cheap, it is certainly priced better than you would find comparable specimens in Tucson, even (or perhaps I should say "especially") when compared to Pakistani or Afghani dealers.  This piece comes from an old US collection, which has spared it some of the inflation of the last several years...

SVP02 Variscite
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
11.7x 8.7x 3.6 cm

A classic example of a sliced and polished variscite nodule, from "the good locality,"  (there are a few others in the area, but the Clay Canyon examples are by far the most sought after.)  Unlike most of these on the market, which have been sliced into ever thinner sections to maximize monetary gain, this one is a reasonably thick portion of a nodule-- I would estimate somewhere between 1/3 and 1/2 of it.

The contrast between the variscite and other phosphates (possible wardite, crandallite, etc._ makes for a particularly pretty display/

SVP04 Rhodochrosite
Uchucchacua Mine, Oyon Province, Lima Department, Peru
8.3x 4.2x 6.5 cm

A specimen of intense reddish-pink rhodochrosite crystals on a beautifully contrasting matrix of black manganese minerals and silver ore.  While the Uchuccacua mine is primarily a silver mine, these are found these every few to several years in the course of normal exploration.  This piece comes from a pocket hit around 7-8 years ago.

SVP05 Rutile on Hematite
Novo Horizonte, Bahia, Brazil
6.6x 6.4x 2.2 cm

A very beautiful and unusually symmetrical example of this extremely fragile material from Brazil.  These are by no means hard to obtain, but I rarely see one symmetrical or undamaged enough to temp me into buying it.  This one had an excellent star-like appearance, with the golden rutile needles growing epitaxially on a group of hematite crystals.   Setting this piece apart even further, the hematite crystals are even terminated on the bottom.

When I ship this, it will be glued into a plastic base, and you will have to use acetone or rubbing alcohol to free it.  It *must* be shipped with full insurance, and I would prefer to only mail within the US. 

SVP06 Epidote
Pampa Blanca, Castrovirreyna District, Huancavelica Department, Peru
12.2x 8.1x 6.1 cm

A beautiful cabinet specimen, featuring two intertwined epidote sprays from Pampa Blanca.  This piece comes from an old US collection, and so this would likely have been among the earlier specimens to come out in the mid 90's.

The beautiful arrangement of these sprays make these some of my favorite epidotes. They may not have the "locality weight" of pieces from Alaska, but in my opinion, their delicate aesthetics (not a quality often associated with epidote) makes them stand out.

SVP07 Tourmaline var. Liddicoatite
Mt Ibity, Antsirabé 2 Dist., Vakinankaratra Region, Antananarivo Prov., Madagascar
3.4x 3.4x 3.2 cm

A small but exquisitely zoned tourmaline crystal, standing upright on a nicely contrasting feldspar matrix. The crystal only measures about 1.6 cm, but the coloration and zoning are incredible!  It is especially unusual to find pieces from this location on matrix, as the pegmatites are typically weathered and crumble away from the tourmalines.  All in all, it's a beautiful little miniature.

SVP08 Inesite
N'chwaning Mines, Kuruman, South Africa
11.8x 4.8x 2.9 cm

A rich cabinet sized specimen of inesite, from N'chwanning.  This piece comes from an old US collection, and the normally thin, delicate crystals are in excellent condition. 

SVP10 Ilvaite on Quartz
Huanggang Mine, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
5.5x 4.8x 3.6 cm

A nice example of ilvaite from Inner Mongolia, with a terminated crystal nestled on a bed of quartz crystals.

SVP11 Quartz, Stolzite on Scheelite
Mundo Nuevo Mine, Mundo Nuevo, Sanchez Carrion Prov., La Libertad Dept., Peru
7.8x 7.5x 5.5 cm

A nice example of stolzite dusted scheelite, on matrix.   I had seen a small group of these at Tucson 2015, and was hoping to get more on my last trip to Peru.  Although the find was small,  I was able to come back with a group of pretty good pieces. While these are never especially "sharp", those I saw in Tucson looked especially melted-- the pieces I came back with however have very well formed scheelites, much cleaner (I think) form, and a generous coating of the powdery yellow-green stolzite that makes them very eye catching.  In 5 trips to Peru, I was only able to get an example of this material once before-- I was quite happy to have been there at a time close enough to a find to be able to get more.

I missed this piece when I was posting my main update of these... so here it is now.

SVP12 Quartz var. Amethyst
Crawfish Lake, Washington, United States
14.5x 10.1x 8.2 cm

A large cabinet example of (relatively) hard to obtain amethyst from Washington.  This piece features a cluster of "scepters" with deeply colored amethystine terminations, sharing a matrix with other colorless quartz crystals.  

The overall layout of the piece is quite nice: the amethyst crystals are nicely centered and are clearly the focal point of the piece.  Please note, there are a couple small chips, but you have to look quite closely to see them.

A nice example from this location.

SVP13 Quartz var. Amethyst
Crawfish Lake, Washington, United States
12.5x 9.1x 8.0 cm

A (relatibely) hard to obtain example of "sceptered" amethyst from Washington.  This piece has a crystal with a deeply amethystine termination, positioned nicely at the center of its matrix.  The main crystal does have a chip on the termination-- this is actually more visible in the photos than in real life.  Either way, the price takes this into account.

SVP16 Tourmaline var. Liddicoatite
Mt Ibity, Antsirabé 2 Dist., Vakinankaratra Region, Antananarivo Prov., Madagascar
3.5x 3.1x 3.5 cm

A terminated, reddish purple liddicoatite crystal on matrix, priced (I think) quite reasonably.

SVP17 Barite
Mont'e Mesu, near Villamassargia, Sulcis Area, Sardinia, Italy
7.7x 5.7x 4.4 cm

A pristine and very dramatic cluster of barite from sardinia.  This comes from an old US collection.

SVP20 Cobaltocalcite
Aghbar Mine, Bou Azzer Dist., Ouarzazate Prov., Morocco
7.5x 6.5.x 3.5 cm

A nice specimen of cobaltocalcite from Morocco.  While I usually stay away from these, I liked the distinctness of the crystals on this one-- they look kind of like little pink rice grains, standing up on their matrix.  

SVP21 Vanadinite
Mibladen Mining District, Midelt, Khenifra Prov, Meknes, Morocco
13.8x 6.5x 4.7 cm

A cabinet sized specimen of vanadinite from Morocco.  There is vanadinite on both sides, it's somewhat redder on one than the other.  

SVP22 Calcite
Daye Copper mine, Daye Co., Huangshi Prefecture, Hubei Province, China
7.4x 5.5x 4.6 cm

A pristine calcite crystal with excellent luster and an orangish color resulting from sub-surface iron oxide inclusions, on matrix.  Saw marks on the back, but displays exactly as shown.

SVP24 Quartz var. Amethyst
Alaotra-Mangoro Region, Toamasina Province, Madagascar
11.3x 4.6x 3.0 cm

A nice example of amethyst from Madagascar.  

SVP25 Liebigite
Schwartzwalder Mine, near Golden, Jefferson Co., Colorado, United States
4.7x 2.9x 0.8 cm

A rare (and rich) sample of this uranium bearing carbonate from the Western USA.

SVP26 Beryl var. Aquamarine
Befotaka Sud District, Atsimo-Atsinanana Region, Fianarantsoa Province, Madagascar
3.7x 1.5x 1.2 cm

A nice sample of bluish green aquamarine from Madagascar. For all the gem material that comes from Madagascar, beryls have been somewhat scarce.  Over the last year however there has been a beryl rush at this location, though most of what is recovered winds up with the cutters.

SVP27 Tourmaline var. Elbaite
Minas Gerais, Brazil
4.4x 2.0x 1.7 cm

A nice terminated pair of parallel elbaite crystals, from Brazil.

SVP28 Tourmaline var. Elbaite
Cruzeiro Mine, Minas Gerais, Brazil
5.2x 1.35x 1.15 cm

A terminated, bicolred tourmaline from Brazil.

SVP29 Tourmaline var. Elbaite
Minas Gerais, Brazil
3.0x 1.5x 1.35 cm

A bicolored cluster of terminated tourmaline crystals; the green portion is fairly vivid.

SVP30 Toumaline var. elbaite
Himalaya Mine, San Diego Co., California, United States
2.1x 1.8x 1.6 cm

A nice thumbnail of pink tourmaline from the Himalaya Mine.

SVP31 Tourmaline var. Elbaite
Minas Gerais, Brazil
2.4x 0.6x 0.6 cm

A terminated and quite gemmy crystal of bicolor tourmaline, with fairly vivid color, from Brazil.

SVP32 Tourmaline var. Elbaite
Minas Gerais, Brazil
3.1x 0.55x 0.5 cm

A vividly colored, gemmy and terminated crystal of elbaite with a nice deep pink color.

SVP33 Tourmaline
Malkhan pegmatite field, Krasnyi Chikoy, Chitinskaya Oblast', Transbaikalia, Russia
2.0x 1.0x 0.7 cm

A nice terminated crystal of tourmaline from the Malkhan Pegmatite field.

SVP34 Tourmaline var. Elbaite
Barra de Salinas, Minas Gerais, Brazil
2.7x 1.0x 0.7 cm

A terminated (though with a chip at the tip) gemmy tourmaline crystal from Barra de Salinas.

SVP35 Autunite
Daybreak Mine, Spokane Co., Washington, United States
2.5x 2.0x 0.9 cm

A nice thumbnail specimen of radioactive yellow autunite, from the most well known American locality for the species.  This has been stabilized.

SVP36 Wavellite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia.
12.5x 9.0x 4.0 cm

A mess of phosphates on a quartz plate from Llallagua-- the label indicates Vauxite, but I am fiarly sure it is wavellite (the crystals are not exactly blue) *possibly* associated with minor vauxite, or some other member of the vauxite group.  There is also some definite wavellite on the back (as the labels note).

Either way, it's a cool piece for lovers of Bolivian minerals, and it has a good provenance (which I guess is a little ironinc considering the ambiguity of what exactly is on the piece.) It has a "Collection Gilbert Gauthier" label (as a dealer, he was most known for his African material, so I'm not sure if this was *actually* from his collection, or from his dealer stock.)  There is also a typed rectangular label, with a handwritten note on the bottom stating "Richard Bideaux Collection."

So, you have a very cool, though slightly ambiguous rock with two mineralogically important people attached to it.   And it's a nice example of much older Llallagua material.

SVP37 Curite
Margnac Mine, Compreignac, Haute-Vienne, Limousin, France
5.2x 3.3x 1.0 cm

An unusual sample of this lead uranium oxide, from france.  Just about every other example I have ever seen came from the D.R. Congo...

SVP38 Fluorite
Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu Co. , Chenzhou Pref., Hunan Prov., China
6.2x 6.0x 2.4 cm

A very sharp, icy green fluorite cube on a bit of matrix.  It could probably be trimmed further, but I have left it as it is.

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