Mineral Specimens with Cuprite

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RUT391 - Cuprite with mimetite - SOLD
Tsumeb, Namibia

thumbnail, 2.2 x 2.2 x 2 cm
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ex.  Ed Ruggiero

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Sharp, euhedral cuprite crystals are quite rare from Tsumeb, and this one is a great example with associated mimetite to prove that it really IS Tsumeb and isn't rather from Onganja elsewhere in Namibia, or Zaire. The piece is complete all around and 3-dimensional. In person, when backlit, it has a cherry red glow inside and is somewhat translucent.


SN15 - Copper with Cuprite - $ 75
Dallas Mine, Bisbee, Cochise Co., Arizona, USA

thumbnail, 2.4 x 2.1 x 1.5 cm
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ex.  Sam Nasser

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Copper with Cuprite from Dallas Mine, Bisbee, Cochise Co., Arizona, USA [db_pics/pics/sn15a.jpg]

superb thumb coppe r- MUCH better in person! sharp,small xls.


T06-8 - Cuprite - SOLD
Mashamba-West Mine, Katanga Province, Democratic Republic of Congo

miniature, 3.4 x 3.3 x 2.3 cm
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Cuprite from Mashamba-West Mine, Katanga Province, Democratic Republic of Congo [db_pics/pics/t06-8a.jpg]
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Cuprite from Mashamba-West Mine, Katanga Province, Democratic Republic of Congo [db_pics/pics/t06-8b.jpg]
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Cuprite from Mashamba-West Mine, Katanga Province, Democratic Republic of Congo [db_pics/pics/t06-8c.jpg]

A very metallic, large cuprite crystal, showing internal gemminess and transparency when backlit (they cut large, ruby-red gems from such crystals!). This is a rather large single crystal, and has excellent form on the frontal faces, though it is contacted on the backside. So , it displays like it should be worth much more, since you do not see the rough backside, and the front is so beautiful an example of this material. These are no longer coming out of the mines, for a number of reasons having to do as much with the society and politics there as the actual mines themselves.


T5138 - Cuprite (large crystals) on Copper - SOLD
Ray Mine, Pinal County, Arizona, USA

cabinet, 15 x 14.5 x 12.1 cm
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ex.  Don Boydston

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Cuprite (large crystals) on Copper from Ray Mine, Pinal County, Arizona, USA [db_pics/pics/t5138a.jpg]
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Cuprite (large crystals) on Copper from Ray Mine, Pinal County, Arizona, USA [db_pics/pics/t5138b.jpg]
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Cuprite (large crystals) on Copper from Ray Mine, Pinal County, Arizona, USA [db_pics/pics/t5138c.jpg]

This is a very large, 3-dimensional specimen that is considered significant for the size of the cuprite crystals present on the copper (to almost 1 cm). Cuprite on copper from this mine is common enough in historic mining , but crystals of this size are downright exceptional and this is ranked by Arizona collectors I showed it to very highly. In person, it really is not so ugly as it appears here!


TNCOLL10-14 - Cerussite with Chalcotrichite inclusions - $ 2400
Tsumeb Mine, Tsumeb, Namibia

thumbnail, 2.1 x 1.5 x 1.3 cm
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ex.  Desmond Sacco

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Cerussite with Chalcotrichite inclusions from Tsumeb Mine, Tsumeb, Namibia [db_pics/new2010/tz14a.jpg]
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Cerussite with Chalcotrichite inclusions from Tsumeb Mine, Tsumeb, Namibia [db_pics/new2010/tz14b.jpg]
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Cerussite with Chalcotrichite inclusions from Tsumeb Mine, Tsumeb, Namibia [db_pics/new2010/tz14c.jpg]

Among the rarest of the rare of beautiful Tsumeb mineral combinations, are these gorgeous, blood-red chalcotrichite-included cerussites. I am told that they were only found twice in the mine, for the last time during the early 1970s. Fine specimens that are more than just smears of color are exceedingly rare and hard to obtain, and treasured by the Tsumeb collectors who have them (as a lot, Tsumeb collector specialists being extremely possessive of ANYthing unique and pretty both). This is one of the finest thubmnail-sized examples I have seen amidst handling a number of major Tsumeb and thumbnail collections over the years: It is very elegant; shows classic cerussite morphology whereas most are etched or lumpy in form; and is complete all around 360 degrees. A bit of associated malachite adds contrast and makes this a more attractive thumbnail specimen overall. Although pricey, perhaps, there is nothing like this from any other occurrence on the planet, and these remain a uniquely Tsumeb combination. The rich color and waxy cerussite lustre , taken together, really stands out. ex Desmond Sacco Thumbnail Collection


tt32 - Malachite ps. after Cuprite - SOLD
Chessy, Rhone, France

thumbnail, 1.7 cm edge
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ex.  Eric Asselborn
ex.  Jean Behier
ex.  Laura Thompson
ex.  Stevia Thompson

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Malachite ps. after Cuprite from Chessy, Rhone, France [db_pics/pics/tt32a.jpg]
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Malachite ps. after Cuprite from Chessy, Rhone, France [db_pics/pics/tt32b.jpg]

A very large and sharp example of this classic pseudomorph! I am told most were recovered prior to 1850. Seldom do you see one so large that is also equant, and not distorted. This crystal is 2.3 cm tip to tip!


TUC09-01 - Copper with Cuprite - $ 3500
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia

cabinet, 10.9 x 6.9 x 6.7 cm
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-01a.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-01b.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-01c.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-01d.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-01e.jpg]

This is certainly by far and away the largest copper of my own lot ; and moreover the finest well-crystallized specimen I was able to see or hear about, at Tucson 2009. There may be better, but if so they never made it to market here, I am pretty sure. The cluster is very complexly crystallized, with a rich coppery patina that is bright but not "cleaned" or chemically treated. It is a floater, with no attachment points. It is 3-dimensional, more so than the photos can indicate. Perched atop the apex of the specimen, on sharp copper crystals, are a number of 2-3mm cuprite crystals of deep red color. The copper itself is, in person, MUCH more beautiful than our pics can convey, and I would say that this stands as an extremely significant Russian copper specimen but also a display-worthy one (not always the same thing!). Really quite unprecedented for a Russian find!


TUC09-03 - Copper with Cuprite - $ 600
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia

miniature, 4.0 x 1.9 x 1.4 cm
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-03a.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-03b.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-03c.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-03d.jpg]

This miniature specimen displays an elegant stack of copper crystals one atop the other, showing several habits. The crystals are to 1 cm, and have a natural , shimmering patina that is very distinct for this find. Sharp red cuprite to 5mm decorates one side of the specimen, providing a novel accent. This is an excellent representation of the combination from this locality, and quite displayable as well. The copper crystals would be fine for Michigan, but they are phenomenal by previous standards for Russian coppers.


TUC09-07 - Copper with Cuprite - $ 1250
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia

small cabinet, 7.2 x 3.8 x 2.5 cm
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-07a.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-07b.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-07c.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-07d.jpg]

This specimen has perhaps the most robust, fat crystals of the lot, with brilliant and metallic color, sharp elongated forms of several crystallographic habits, and a minor association with the cuprite which I think this find will become known for. It is MUCH more intricate and 3-dimensional in person, and is, I think, a major Russian copper specimen which should in the past have commanded twice the price.


TUC09-08 - Copper with Cuprite - SOLD
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia

small cabinet, 6.9 x 2.7 x 1.8 cm
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-08a.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-08b.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-08c.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-08d.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-08e.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-08f.jpg]

This is the piece with the brightest lustre of the lot, truly metallic and gorgeous, with a contrasting red cuprite octohedron capping the termination of this arborescent copper cluster. The coppers here are SHARP, some showing a distorted form that is almost, but not quite, cubic. I think the overall look of the crystal habits, the cuprite atop, and the fact that this is just plain good by any standard all combine to make this a particularly important Russian copper specimen from these new finds.


TUC09-10 - Copper with Cuprite - $ 950
Poteryaevskoe Mine, Rubtsovsk, Altai, Western-Siberian Region, Russia

thumbnail, 3.2 x 2.1 x 1.9 cm
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-10a.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-10b.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-10c.jpg]
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Copper with Cuprite from Poteryaevskoe Mine, Rubtsovsk,  Altai, Western-Siberian Region, Russia [db_pics/pics/tuc09-10d.jpg]

This "boxbuster" competition-level thumbnail, or toenail if you will, is mostly a crazily complex SHARP copper crystal that is about an inch from tip to tip and complete all around. On the apex are several contrasting (in both color and visual form, of course), sharp, reddish cuprite crystals The cuprite has a high lustre and so does the copper - a unique, shimmering patina that seems unique to this find and quite distinct from the surface patina of other coppers I have handled from common locales. Overall, this is a dramatic, sculptural, 360-degree-around copper specimen with sharp crystals and the unique shimmering patina this mine will , I think, be famous for someday. All crystals are sharp - and the piece is very intricate in person. The piece is a floater, with no attachments to mar its symmetry all around. The crystals are SHARP, more evident perhaps in person than we can convey with photos. Really quite unprecedented for a Russian find, this would be superbly crystallized and important from any locality but from here, all the more so. This copper look sdifferent from any other copper I have seen from anywhere, in many subtle ways - before you factor in the crazy garland of sharp cuprite atop!


TUC104-71 - Malachite ps. After Cuprite - $ 1750
Andrassy I Mine, Rudabanya, Rudabanyai Mountains, Hungary

miniature, 4.3 x 3.2 x 2.9 cm
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Malachite ps. After Cuprite from Andrassy I Mine, Rudabanya, Rudabanyai Mountains, Hungary [db_pics/new2010/t10471a.jpg]
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Malachite ps. After Cuprite from Andrassy I Mine, Rudabanya, Rudabanyai Mountains, Hungary [db_pics/new2010/t10471b.jpg]
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Malachite ps. After Cuprite from Andrassy I Mine, Rudabanya, Rudabanyai Mountains, Hungary [db_pics/new2010/t10471c.jpg]
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Malachite ps. After Cuprite from Andrassy I Mine, Rudabanya, Rudabanyai Mountains, Hungary [db_pics/new2010/t10471d.jpg]

This is a very elegant cluster of cuprites, that have been partially replaced by malachite. This is a classic, ancient locale. Few old specimens are available. My understanding is that specimens like this are still found in small pockets, from time to time - but usually singles and small crystals, not a big piece like this. You can tell by the weight that the replacement is only partial, and cuprite remains at the core of the specimen. But on the surface, it is solid malachite. A rare, interesting locality piece!


TUC115-221 - Cuprite (cubic) in Quartz cast with Plancheite - $ 4000 SOLD
Shangulowe Mine, Kambove, Katanga (Shaba), Democratic Republic of Congo

small cabinet, 6.3 x 6 x 4.5 cm
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ex.  Dr. Edward David

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Cuprite (cubic) in Quartz cast with Plancheite from Shangulowe Mine, Kambove, Katanga (Shaba), Democratic Republic of Congo [db_pics/new2011/Cuprite-Plancheite-Shangulowe-DRC-63mm-JB221-05.jpg]
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Cuprite (cubic) in Quartz cast with Plancheite from Shangulowe Mine, Kambove, Katanga (Shaba), Democratic Republic of Congo [db_pics/new2011/Cuprite-Plancheite-Shangulowe-DRC-63mm-JB221-07.jpg]
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Cuprite (cubic) in Quartz cast with Plancheite from Shangulowe Mine, Kambove, Katanga (Shaba), Democratic Republic of Congo [db_pics/new2011/Cuprite-Plancheite-Shangulowe-DRC-63mm-JB221-10.jpg]
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Cuprite (cubic) in Quartz cast with Plancheite from Shangulowe Mine, Kambove, Katanga (Shaba), Democratic Republic of Congo [db_pics/new2011/Cuprite-Plancheite-Shangulowe-DRC-63mm-JB221-11.jpg]

I first saw this unusual cubically crystallized cuprite crystal perched in its unusual quartz "cave" in the late 1990s when dealer Cal Graeber purchased it from the estate of collector Gerald Herfurth. I did not then have the money to buy all I wanted from his purchases. I always regretted not buying it then, as I had never seen a cuprite quite like this , and the aesthetics are just unique. I always remembered it and imagine my surprise when I saw it again recently! The cuprite (approx 1.1 x 0.9 cm) is sharp and interesting in form, and is perched nicely in what seems to have been a quartz filling of a cavity in between blocks of rock matrix, now removed. The quartz "pocket" itself is a floater, contacted and showing the pattern of the constraining matrix it grew between at the base and around the periphery. Where space allowed, the quartz crystallized into brilliant crystals of high lustre. Only one cuprite crystal seems to have nucleated within the pocket and, unlike others I have seen from this very same mine, it has a shape that is either truly cubic or pseudocubic. To be honest, the location of Shangulowe Mine has come down with the specimen but quartz is not reported from this mine, as I see it on MINDAT. Yet, quartz is also not reported from Mashamba West Mine, where so many of our cuprites come from. I believe this to simply be from a unique old mining claim or mine, probably an old vein in Shangulowe or a small dig nearby. The piece was sold by Graeber to Dr. Ed David, in whose collection it remained for nearly a decade before being exchanged into the collection of Larry Conklin, from whom I in turn obtained the specimen last year - about 10 years after seeing it for the first time! As a side note, the price now has been able to be the same price as it was then, due to teh various trades involved, and that I got it in a larger exchange I amortised, myself.  Joe Budd Photos


TUC115-277 - Cuprite - $ 3200 SOLD
Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia

miniature, 3.6 x 3.6 x 3.3 cm
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Cuprite from Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia [db_pics/new2011/Cuprite-Rubtsovskoe-Russia-36mm-JB277-13.jpg]
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Cuprite from Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia [db_pics/new2011/Cuprite-Rubtsovskoe-Russia-36mm-JB277-19.jpg]
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Cuprite from Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia [db_pics/new2011/Cuprite-Rubtsovskoe-Russia-36mm-JB277-22.jpg]

This is a stunning, seemingly carved, cuprite specimen with sharp faces and brilliant lustre. When backlit strongly, a gemmy red color permeates the outside few millimeters of the piece. This style (the thin red zone, and the bevelled edges) was rare from the mine's 2009-2010 production, amidst many more commonly found with no hint of red and sharper corners to the octohedra. The piece is complete all around, even crystallized on the bottom except for a very few trivial/minor dings or contact points. This locality has produced what are arguably the world's best cuprite crystals in modern times. The combination here of lustre, sharpness, and beauty of the crystals is together more desirable to my eye than all but a very few cuprites known from past major locales. This mine is actually being mined now, as we speak, through its oxidation zone. The mining is actually coming up into the zone from underneath, and when it is done - no more cuprites, no more coppers. So, as a bet, I think this will someday be known as one of the major important specimen localities in Russia for the 2000's, and these cuprites should go up quite a bit in price and desirability over time. Joe Budd photos


TUC12-06 - Cuprite - $ 6000
Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia

miniature, 4.7 x 4.3 x 3.5 cm
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Cuprite from Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia [db_pics/new2012/TUC1206a.jpg]
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Cuprite from Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia [db_pics/new2012/TUC1206c.jpg]
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Cuprite from Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia [db_pics/new2012/TUC1206d.jpg]
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Cuprite from Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia [db_pics/new2012/TUC1206e.jpg]
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Cuprite from Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia [db_pics/new2012/TUC1206g.jpg]
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Cuprite from Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Western-Siberian Region, Russia [db_pics/new2012/TUC1206h.jpg]

Mined in December of 2010, in the last really great cuprite pocket, this was a miner'sholdback specimen and has just come to market. This large and extremely impressive cuprite cluster features sharp, lustrous octahedrons, with good luster and a slight translucence. It is colored a deep red with vibrant lustre, strongly red when backlit (as shown, an extreme with a torch on it). Although complete on the display face, and all around, there is contact on the bottom face. It is very 3-dimensional. This stands upright and 3-dimensionally instead of in flatlaying plates, as most do. It is a superb miniature, of high quality. Based on current production here (and this mine is almost through its oxidation zone where these form), i do not anticipate more of this style. The new material at Tucson 2012 was of a different, in my opinion uglier, style.



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Rob Lavinsky, rob@irocks.com

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