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Mineral Specimens with Chalcocite
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This incredible specimen is a world class chalcocite for its size, reminiscent of Cornish pieces in its thickness and pedestal-like structure. It is complete ALL around, 360 degrees, and has gorgeous 3-dimensional form to it. The lustre, in person, is somewhat better than it appears here. Comes with original Yedlin label on which he (i assume) drew a picture , a rough sketch, of the piece! 2.9 x 2 x 1.7 cm
Very aesthetic, hexagonal bladed crystals resting attractively on a larger blade in the center, creating a very 3-dimensional specimen. It is complete and nearly pristine all around and displays 360-degrees. The individual crystals have beveled edges, striations, and a gray-black color that attractively complements the muted metallic luster. This is an excellent chalcocite from a classic and important locality for which the species seldom gets this good! VERY sharp! Note it is also not yet cleaned - it might brighten up with chemicals but I personally like the antique look. 3 x 2 x 2 cm
No, this is not a Flambeau (Wisconsin) chalcocite, but an old BUTTE chalcocite, quite hard to find on the market! This piece came out of Gary Hansen''s old dealer stock and still has his label with it. The crystals are rather crude, but for the locality it is a good piece, and these just are not around! 7 x 4.3 x 2.7 cm
An old Michigan chalcocite, very hard to obtain, with actually pretty good crystallization. Try finding another- they are pretty rare today! Despite all the copper, few chalcocites have ever come out of Michigan 2.0 x 1.5 x 0.8 cm
Highly lustrous, gun metal-gray, massive chalcocite with a bit of sparkly, royal-blue azurite from the Bonanza Mine of Alaska. This shapely chunk comes with a reallly cool old, faded, 13.3 x 8.0 cm Kennecott Copper Corp. label and has the nickname of "steely glance" Very interesting historic specimen and besides that, who has any minerals from ALASKA anyhow? a rare chance to own one here..... Moreover, this is the original locality for this famous old mining company - i never realized Kennecott mining company actually STARTED in kennecott (they ended up owning Butte and other mines later on). Ex Richard Hauck Collection. 7.9 x 5.5 x 4.8 cm
A CLASSIC, old-time Cornwall specimen with sharp, matte-finish, black chalcocite crystals to 1.0 cm richly covering the contrasting quartz matrix. The one dinged chalcocite crystal is certainly not detracting from this fine old-timer. Ex Frank Edwards Collection. 3.7 x 2.8 x 1.7 cm
This is a great old classic matrix Chalcocite specimen from one of the most famous localities in the world for the species. It is comprised of dozens of sharp, dark grey heavily striated crystals measuring up to 1.0 cm. A great "old-timer" from this classic eastern locality. 5.3 x 4.2 x 3.2cm
2.2 x 1.7 x 1.4 cm. This is an exquisite, highly sculptural, and extremely splendent, thumbnail of chalcocite, a copper sulfide. The dark gray crystals are sharply doubly terminated, to 1.5 cm across. They have awesome lustre! This has to rank as one of the finest thumbnails of the species. Ex. Irv Brown Collection.
Most unusual locality specimen, and very rare~! 2 x 1.2 x 0.8 cm
A SHOWY and MOST UNUSUAL combination specimen from the famous Dzhezkazgan Mine of Kazakhstan. Iridescent, sharp chalcocite crystals to 1.5 cm protrude from silicified limestone matrix below the crowning, very light gray, translucent and preferentially etched, calcite crystals to 4.4 cm. A couple of broken minor chalcocite crystals are certainly not very detracting from this fine piece. It displays well and is very impressive for the stoutness of the xls and how they display dramatically 9.4 x 6.0 x 4.6 cm
This Flambeau Mine find is still considered one of the most important chalcocite finds ever. These spectacular pieces came out during just a few shhort years of working, after which the mine was closed and literally reclaimed over....it''s gone! Someday, people will look back and realize that these were one of the great US classic finds of the era. This large specimen has absolutely HUGE compound crystals – essentially, the specimen is a series of stacked whorls of fanned shiled-like crystal , of an iridescent purple and gold. The colors are beautiful, and more apparent in person. The compound crystal on top measures over 5 cm across! An extremely impressive specimen from an important find. BETTER IN PERSON! 6.5 x 5.5 x 5 cm
VERY 3-DIMENSIONAL, robust grouping, better in person! now closed and recovered, these will be US classics down the road! 3 x 2.4 x 2.1 cm
A MINIATURE squeezed diagonally opnto one of his thumb display mounts, this IS really a miniature in real life. It is a sharp cluster with extremely 3-dimensional crystals of high quality, and good size, with multicolored patina. It is MUCH MUCH better in person! If ever you wanted one...this is fine, and cheap. 3.75 x 3 x 2.25 cm
A classic, old-time, VERY RICH copper ore specimen of lustrous, massive chalcocite, malachite and azurite from Marshall, Alaska. Marshall is in the Yukon River Delta and was the site of one of the last United States gold rushes in 1913. Ex Richard Hauck Collection. 8.4 x 5.4 x 2.6 cm
This is a super miniature: an intergrown cluster of sharp, thick, textbook chalcocite from the premier historic locality for the species. The largest crystal measures 1.5 cm across. From a mineral enthusiast’s viewpoint, this is one of the most collectible black minerals . This particular specimen is a fine miniature that displays well, has significant crystals, and does not "break the bank". 3.9 x 3.2 x 1.5 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Chalcocite from Bristol Copper Mine, Bristol, Hartford Co., Connecticut, USA [db_pics/mdpics/MD-34678a.jpg]](db_pics/mdpics/MD-34678a.jpg)
![Chalcocite from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-37030a.jpg]](db_pics/mdpics/MD-37030a.jpg)
![Chalcocite from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-38484a.jpg]](db_pics/mdpics/MD-38484a.jpg)
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![Chalcocite, Quartz from Cornwall, England, UK [db_pics/mdpics/MD-44412a.jpg]](db_pics/mdpics/MD-44412a.jpg)
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![Chalcocite from Telfer Mine, Western Australia, Australia [db_pics/mdpics/MD-49516a.jpg]](db_pics/mdpics/MD-49516a.jpg)
![Chalcocite from Magma Mine (Magma Superior Mine; Irene claim; Hub claim; Pomeroy; Superior Division; Silver Queen; Monarch claim; Magma Copper Mine; Broken Hill; Apex), Superior, Pioneer District, [db_pics/mdpics/MD-52126a.jpg]](db_pics/mdpics/MD-52126a.jpg)
![Chalcocite, Calcite from Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan [db_pics/mdpics/MD-52626a.jpg]](db_pics/mdpics/MD-52626a.jpg)
![Chalcocite from Flambeau Mine, Ladysmith, Rusk Co., Wisconsin, USA [db_pics/mdpics/MD-52746a.jpg]](db_pics/mdpics/MD-52746a.jpg)
![Chalcocite from Flambeau Mine, Ladysmith, Rusk Co., Wisconsin, USA [db_pics/mdpics/MD-52786a.jpg]](db_pics/mdpics/MD-52786a.jpg)
![Chalcocite from Flambeau Mine, Ladysmith, Rusk Co., Wisconsin, USA [db_pics/mdpics/MD-52792a.jpg]](db_pics/mdpics/MD-52792a.jpg)
![Chalcocite, Malachite, Azurite from Alaska, USA [db_pics/mdpics/MD-55544a.jpg]](db_pics/mdpics/MD-55544a.jpg)
![Chalcocite from Levant Mine, Trewellard, Botallack - Pendeen Area, St Just District, Cornwall, England, UK [db_pics/mdpics/MD-65668a.jpg]](db_pics/mdpics/MD-65668a.jpg)