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Mineral Specimens with Chalcopyrite
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11.6 x 8.5 x 2.9 cm. A fine cabinet plate of water-clear, glassy needle quartz crystals nicely accented with a scattering of lustrous, lightly iridescent, brassy chalcopyrite plates and milky calcite scalenohedrons from the famous Campbell Shaft at Bisbee. Ex. Smith (Rocksmiths) and Dave Stoudt Collections. According to Dave Stoudt’s catalogue, he bought this piece from the Smiths in 1989.
5.3 x 4.3 x 3.2 cm. A classic, very rich, two-sided Butte specimen with vugs on both sides lined with iridescent violet and magenta covellite blades. The covellite blades are beautifully complimented by a dusting of bright, brass-yellow chalcopyrite microcrystals. Old-time material.
Cordierite is one of those species condemned to exist in only ugly specimens of largely crude crystals. Here, however, from a locality I hadn't even heard of before, we have a wild exception to the trend! These robust crystals to 1.2 cm in size have a jet black color, waxy lustre, and excellent crystal form! They are embedded and partially excavated from anhydrite matrix, with golden specks of massive chalcopyrite to set off the crystals even more starkly. 3.5 x 3.5 x 2.5 cm
4.2 x 4.0 x 2.9 cm. Lustrous, brass-yellow, stepped-faced, helmet-shaped chalcopyrite crystals to 1.2 cm are aesthetically scattered on scintillating bournonite blades on this fine specimen from the Yaogangxian Mine of China. The bournonite crystals are incredibly bright. Very unusual, like acicular bundles. This makes them super-bright.
9.5 x 6.2 x 5.5 cm. A large single Fluorite crystal dusted with tiny chalcopyrites inside and out. This is absolutely classic for Illinois- superb luster, yellow core and purple to clear edges. Also, it is gemmier than you normally find from Illinois, especially for this size.
10.6 x 8.2 x 6.3 cm. A surprisingly large and fine chalcopyrite from this ancient mining district, probably dating (I am told) to the late 1700s or very early 1800s. This large display piece is a major French classic. The large cluster atop is fully 2 inches across, and is possibly twinned. Ex. Dr. Mark Feinglos Collection.
4.0 x 3.8 x 3.5 cm. The Alice mine is one of the most classic of all the Colorado localities for Chalcopyrite. It is renown for its superb Chalcopyrite specimens, exhibiting some of the finest twins for the species extant. This specimen is a good sized, somewhat sharp, metallic, brassy-gold colored twinned crystal of Chalcopyrite. The piece is not 100% complete, but it is in fairly good shape. This piece came to Richard Kosnar from noted Colorado collector, George Robertson.
1.6 x 1.4 x 0.5 cm. Greenockite is a rather rare species, considering it has a very simple chemistry (Cadmium Sulfide). There are only a handful of localities in the world for fine crystallized Greenockite specimens, and the Summit Quarry in New Jersey is possibly the best U.S. locality for the species (certainly the best in New Jersey). This locality opened in the early 20th Century, and produced a large number of Zeolites species and other associated minerals in its history. It is now long gone, but thanks to collectors like Richard Kosnar, many good specimens now survive from this historic Quarry. This specimen was collected by Richard Kosnar in 1964 when he had just graduated from high school. He had almost exclusive access to the quarry at the time, and was able to collect some very unique and interesting Greenockite specimens over several years time. As a matter of fact, Richard Kosnar most likely collected more Greenockite specimens from New Jersey than any other collector, even many collectors combined. This piece is mounted in a perky box, and upon close examination, one can see a small honey colored "beehive"-shaped Greenockite crystal in the center of the specimen which has a small crystal of Chalcopyrite at the base. The crystals are sitting on a beautifully contrasting green Prehnite matrix. This specimen is nearly 50 years old. Ex. Richard Kosnar Collection.
7.0 x 4.8 x 4.0 cm. A superb and classic apatite specimen from Panasqueira, Portugal and the Smithsonian and Dr. Gary Hansen Collections. This two-sided beauty is composed of very glassy and well-striated, green apatite crystals beautifully accented with sparkly, golden chalcopyrite on the edges. A surprise on the back features more chalcopyrite on tiny siderite crystals. This is a superb, near floater specimen.
8.1 x 6.3 x 4.7 cm. A classic Peruvian assemblage featuring large chalcopyrite crystals to 2.5 cm perched in a nest of fine quartz points. Ex. Charlie Key.
7.2 x 4.7 x 4.6 cm. An excellent, very showy, old-time combination sulfide specimen from the Mullane Collection and an unknown mine in Gunnison County of Colorado. Several large, lustrous, golden-brassy, chalcopyrite crystals to 2.5 cm are nicely set in lustrous, black sphalerite crystals and massive, blocky, gray galena. There is some contacting on the sides, but this remains a very highly representative, showy and rich copper-zinc-lead ore specimen from a mineral-rich Colorado county.
4.8 x 2.8 x 2.8 cm. From Concepcion del Oro, Zacatecas, Mexico, this a specimen of very sharp crystals of chalcopyrite amongst starkly contrasting, translucent quartz crystals. There is a bit of damage to some of the chalcopyrites as with most of these. From the 1960s-early 1970s. Ex. Jaime Bird Collection.
4.0 x 2.5 x 2.3 cm. A classic, very rich Butte specimen with superb, iridescent violet and magenta covellite blades projecting upward from the end of the elongated matrix. The covellite blades are beautifully complimented by a bright, brass-yellow chalcopyrite crystals on the quartz-rich matrix. The covellite blades are in remarkable condition. Excellent, old-time material.
11.9 x 5.7 x 3.0 cm. A superb cabinet combination plate with very gemmy, golden-yellow sphalerite crystals, brassy chalcopyrite crystals and a few, scattered galena crystals from the small find a few years ago at the Commodore Mine at Creede, Colorado. Many of the highly lustrous, black-looking sphalerite crystals are, in fact, partially gemmy. The largest gemmy sphalerite crystal is 1.3 cm. Ex. Ed David Collection.
4.4 x 3.8 x 1.8 cm. You probably think of millerite (nickel sulfide) in its rare crystalline (acicular) form, as that is the form it takes in most collector specimens. But here, it appears as a silvery vein running through a chunk of gaudy golden and purple chalcopyrite. Ex. Dr. Gunter Grundmann Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz, Chalcopyrite, Calcite from Campbell Mine (Campbell shaft), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-200661a.jpg]](db_pics/mdpics/MD-200661a.jpg)
![Quartz, Chalcopyrite, Calcite from Campbell Mine (Campbell shaft), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-200661b.jpg]](db_pics/mdpics/MD-200661b.jpg)
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![Chalcopyrite from Alice Glory Hole, Alice Mine, Alice District, Clear Creek Co., Colorado, USA [db_pics/mdpics/MD-210594a.jpg]](db_pics/mdpics/MD-210594a.jpg)
![Greenockite, Chalcopyrite, Prehnite from Houdaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Union Co., New Jersey, USA [db_pics/mdpics/MD-210603a.jpg]](db_pics/mdpics/MD-210603a.jpg)
![Greenockite, Chalcopyrite, Prehnite from Houdaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Union Co., New Jersey, USA [db_pics/mdpics/MD-210603b.jpg]](db_pics/mdpics/MD-210603b.jpg)
![Apatite-(CaF), Chalcopyrite, Siderite from Panasqueira, Covilhã, Castelo Branco District, Portugal [db_pics/mdpics/MD-213090a.jpg]](db_pics/mdpics/MD-213090a.jpg)
![Apatite-(CaF), Chalcopyrite, Siderite from Panasqueira, Covilhã, Castelo Branco District, Portugal [db_pics/mdpics/MD-213090b.jpg]](db_pics/mdpics/MD-213090b.jpg)
![Chalcopyrite, Quartz from Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru [db_pics/mdpics/MD-215481a.jpg]](db_pics/mdpics/MD-215481a.jpg)
![Chalcopyrite, Sphalerite, Galena from Gunnison Co., Colorado, USA [db_pics/mdpics/MD-216391a.jpg]](db_pics/mdpics/MD-216391a.jpg)
![Chalcopyrite, Quartz from Concepción del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico [db_pics/mdpics/MD-216446a.jpg]](db_pics/mdpics/MD-216446a.jpg)
![Chalcopyrite, Quartz from Concepción del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico [db_pics/mdpics/MD-216446b.jpg]](db_pics/mdpics/MD-216446b.jpg)
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![Covellite, Chalcopyrite from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-217394b.jpg]](db_pics/mdpics/MD-217394b.jpg)
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![Millerite, Chalcopyrite from Strathcona Mine, Levack, Sudbury District, Ontario, Canada [db_pics/mdpics/MD-219322a.jpg]](db_pics/mdpics/MD-219322a.jpg)
![Millerite, Chalcopyrite from Strathcona Mine, Levack, Sudbury District, Ontario, Canada [db_pics/mdpics/MD-219322b.jpg]](db_pics/mdpics/MD-219322b.jpg)