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Mineral Specimens with Chalcopyrite
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A big, beautiful smorgasbord of Yaogangxian minerals! In person, this whopper specimen just glitters with brassy gold and red from the chalcopyrites, lavender touches here and there from fluorite, and silvery arsenopyrites scattered amongst the quartz points! 20.8 x 13.2 x 8.4cm
A large, pretty combo specimen combining quartz crystals with purple and teal fluorites and a few accenting brassy chalcopyrites. 10.8 x 6.5 x 6.4cm
What you cannot see too well in the pics is how a few chalcopyrites from a later generation light up this specimen with an amazing rainbow iridescence. These and an earlier generation of crystals grew on a plate of quartz, with three quartz crystals elegantly dominating the back of the specimen. Two of the quartzes have had chalcopyrites grow on them, and partially engulfed them. 8.3 x 6.2 x 5.2cm
A classic old Eagle Mine combo: sharp, brassy chalcopyrite crystals on a matrix of shiny, euhedral sphalerites. This specimen has a really nice balance between the two minerals, and a large chalcopyrite with wonderful form sits up perfectly on the sphalerite. A superb representative mini for this combo! 5.1 x 3.9 x 2.9cm
Iridescent chalcopyrite crystals scattered on a plate of light pink dolomite crystals, a large and pretty piece from Oklahoma. OLD MATERIAL from the TriState district, mined in the 1940s-60s 11.4 x 7.2 x 4.6cm
A beautifully-balanced old New Mexico specimen, combining iridescent red-and-gold chalcopyrite crystals with gemmy quartz crystals, on a plate of lustrous sphalerite. 7.7 x 5.8 x 2.6cm
A VERY SHOWY, nearly complete all-around, combination sulfide specimen from Concepcion del Oro, Mexico. Mirror-bright, brass-yellow pyrite cubes to 1.0 cm rest in matrix with coated, tetragonal chalcopyrite crystals to 1.7 cm and striated, lustrous, olive-green sphalerite. Trivial damage, overall and with only two small points of attachment. Ex Ed Ruggiero Collection, who purchased this piece in June, 1975 from the Columbine Rock Shop in Ouray, Colorado. 6.7 x 4.5 x 4.5 cm
An EXCELLENT and showy combination specimen from Bulgaria dominated by lustrous, striated, gun-metal gray chalcopyrite crystals to 1.9 cm with transparent, needle quartz crystals, scattered pyrite and sphalerite crystals and a single, flattened calcite rhomb. Very trivial damage, overall, with only a couple points of attachment. Note old Museum label from an Eastern European institution 6.5 x 5.8 x 4.8 cm
A lone, golden, complete and terminated crystal rises from a matrix covered with shimmering, iridescent microcrystals of chalcopyrite, in glittering blues, purples, greens and golds. A dramatic Missouri combo specimen! 9.7 x 6.7 x 2.5cm
A STRIKING and SUPERB, old-time, Tri-State specimen of a large, lustrous and striated, 5.2 cm, black sphalerite crystal nicely perched on light-pink dolomite rhombs, which are thinly to thickly sprinkled with small sphalerite and iridescent, chalcopyrite crystals. This fine old-timer from Oklahoma is from the old dealer stock of Dr. Gary Hansen and hasn"t been shown since the the early 1980s! A small contact on the back of the large sphalerite crystal is totally out of sight. 7.5 x 5.5 x 5.5 cm
A SUPERB, AESTHETIC and pristine sulfide combination piece from the Hauron District of Peru. A cluster of highly lustrous, black sphalerite crystals sits in a valley surrounded by "mountains" of bright, brass-yellow, twinned chalcopyrite crystals. The twinned chalcopyrite faces have different reflectivity due to the reflection of light off of microscopic tetrahedrite crystals. CHOICE material from the Gene Meieran sulfide collection. 6.2 x 5.7 x 1.8 cm
Razor-sharp, irridescent crystals of chalcopyrite sprinkled attractively over a matrix of euhedral dolomite crystals - very pretty! 11.1 x 7.2 x 4.2cm
A BEAUTIFUL specimen of lustrous, mirror-bright, brass-yellow, twinned chalcopyrite crystals to 1.4 cm nicely set on transparent, needle quartz-coated matrix with a few snow-white dolomite crystals from Cavnic, Romania. Choice material from this well-known locality, with trivial periphery damage. 5.5 x 4.7 x 3.3 cm
On a large plate of flashy chalcopyrite has grown a thick cluster of glittering calcite of TWO subtly different forms of sparkling-white, stick-like parallel crystals intermixed with each other. Drusy quartz adds more sparkle to the matrix , covering much of the chalcopyrite and accenting the base of the calcite cluster as well. They apparently formed at the same time, in various places each type has formed on top of the other. A large, dramatic Eastern European specimen that is MUCH MUCH BETTER IN PERSON! 26 x 15 x 6.8 cm
Another fine Eastern Euro specimen! This one combines sharp, textbook galena crystals with a fine gunmetal luster (to 1.5 cm) with IRRIDESCENT gold and purple chalcopyrites, and accenting golden, sparkly pyrite and quartz crystals. A real show of metallic shine and colorful sparkle! 7.4 x 6.4 x 4.1cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz, Chalcopyrite, Arsenopyrite, Fluorite from Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-43121a.jpg]](db_pics/mdpics/MD-43121a.jpg)
![Quartz, Fluorite, Chalcopyrite from Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-43296a.jpg]](db_pics/mdpics/MD-43296a.jpg)
![Chalcopyrite, Quartz from Naica, Mun. de Saucillo, Chihuahua, Mexico [db_pics/mdpics/MD-44129a.jpg]](db_pics/mdpics/MD-44129a.jpg)
![Chalcopyrite, Sphalerite from Eagle Mine, Gilman, Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA [db_pics/mdpics/MD-44415a.jpg]](db_pics/mdpics/MD-44415a.jpg)
![Chalcopyrite, Dolomite from Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA [db_pics/mdpics/MD-44427a.jpg]](db_pics/mdpics/MD-44427a.jpg)
![Chalcopyrite, Sphalerite, Quartz from Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico, USA [db_pics/mdpics/MD-44592a.jpg]](db_pics/mdpics/MD-44592a.jpg)
![Pyrite, Chalcopyrite, Sphalerite from Concepción del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico [db_pics/mdpics/MD-46860a.jpg]](db_pics/mdpics/MD-46860a.jpg)
![Chalcopyrite, Quartz, Pyrite, Calcite from Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-47275a.jpg]](db_pics/mdpics/MD-47275a.jpg)
![Calcite, Chalcopyrite from Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA [db_pics/mdpics/MD-47520a.jpg]](db_pics/mdpics/MD-47520a.jpg)
![Sphalerite, Dolomite, Chalcopyrite from Eagle Picher Mine, Cardin, Tri-State District, Ottawa Co., Oklahoma, USA [db_pics/mdpics/MD-47627a.jpg]](db_pics/mdpics/MD-47627a.jpg)
![Chalcopyrite, Sphalerite, Tetrahedrite from Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru [db_pics/mdpics/MD-47631a.jpg]](db_pics/mdpics/MD-47631a.jpg)
![Chalcopyrite, Dolomite from Mid-Continent Mine, Treece, Picher Field, Tri-State District, Cherokee Co., Kansas, USA [db_pics/mdpics/MD-48257a.jpg]](db_pics/mdpics/MD-48257a.jpg)
![Chalcopyrite, Quartz, Dolomite from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-48285a.jpg]](db_pics/mdpics/MD-48285a.jpg)
![Calcite, Chalcopyrite, Quartz from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-49078a.jpg]](db_pics/mdpics/MD-49078a.jpg)
![Galena, Chalcopyrite from Borieva mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-49207a.jpg]](db_pics/mdpics/MD-49207a.jpg)