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Mineral Specimens with Sphalerite
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24.2 x 12.8 x 7.1 cm. A superb, large Elmwood specimen featuring a single baryte cluster on crystallized sphalerite. These are big, well-formed sphalerite crystals rise 3-dimensionally to 3 cm above the surface. Ex. Consie Prince Collection.
17.8 x 12.5 x 6.4 cm. A superb, large Elmwood specimen dominated by brushy balls of baryte. Here, you have over a dozen balls of snowy baryte on a thick plate of sphalerite that is well crystallized with lustrous crystals on its surface. Ex. Consie Prince Collection.
9.0 x 4.8 x 2.8 cm. This is very rare material, from an old, one-time find at the Elmwood Mine. Sphalerite from the Elmwood is common (it is the zinc or that was the reason for the mine), but these crystals are iridescent, throwing off shimmering colors. Note the little purple fluorite.
8.3 x 3.8 x 3.3 cm. This is very rare, old material, from a one-time find at the Elmwood Mine. Sphalerite from the Elmwood is common, but these crystals are iridescent, throwing off shimmering colors. This piece is from a flat purchased from a collection about 8-9 years back now. Note the pretty contrast with the white dolomites.
10.7 x 7.5 x 5.5 cm. A very rare and unique combination specimen from the Viburnum Trend District. This showy, old-time specimen features glassy, jet-black bitumen (a "solid oil" or hydrocarbon material) scattered amongst a rich covering of lustrous, metallic-gray galena cubes and sphalerite crystals on a vuggy, two-sided matrix of silicified limestone coating with tiny, contrasting, colorless calcite rhombs. The back even features a couple of quartz needles, as a highlight. Ex. George Feist Collection.
8.4 x 7.9 x 5.7 cm. From a small find that was brought out at Munich in 2006, these are very unusual crystals in that they are hollow casts after calcite, and the coating is a mixture of sphalerite and siderite. They have been extensively analyzed in South Africa, to come up with this conclusion, by Bruce Cairncross and others. So far as I am aware, this is a first. This has good 3-dimensional form, a good surface shimmer (almost metallic), and no damage except to the periphery where you can see into the hollow casts. 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.
11.3 x 6.7 x 6.5 cm. Chalcostibite is a rare copper, antimony sulfosalt. This excellent and very showy, 3-dimensional cabinet combination piece from Cavnic, Romania features shiny, gray metallic blades and needles of chalcostibite clusters richly scattered on lustrous sphalerite crystals and associated with a rich, preferential coating of sparkly, light gray dolomite rhombs and a bit of galena. Chalcostibite was never common at Cavnic and this major discovery was made in 1990.
4.4 x 2.6 x 2.4 cm. A classic association from Naica, but in an unusual form. Here you have a large, glossy compound crystal of sphalerite, with unusual rounded galenas and blocky rhombs of cream-colored calcite. Ex. Jaime Bird Collection.
7.9 x 3.9 x 3.2 cm. This is very rare material from a one-time find at the Elmwood Mine. Sphalerite from the Elmwood is common (it is the zinc or that was the reason for the mine), but these rare crystals are iridescent, throwing off shimmering colors. It is beautiful and a unique pocket out of all found here.
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.
5.3 x 5.0 x 0.9 cm. A really interesting and showy, sliced and polished slab, from a nodule of banded sphalerite and pyrite from a classic German locale - Wiesloch, near Heidelberg. The plumose character of the pyrite and sphalerite is fascinating and the contrasting, white baryte is a very nice accent. Ex. Mullane Collection and accompanied by an Anton Berger label: well-known Austrian mineral dealers from the 1920s-1950s.
7.8 x 6.9 x 5.4 cm. This is a superb Elmwood piece, primarily due to the extremely unusual transparency and razor sharpness of the crystals (for Elmwood). They have just a delicate hint of purple to them. The dark sphalerite provides a stunning backdrop for them, too.
4.4 x 4.4 x 3.4 cm. Balls of pale pink rhodochrosite and shiny golden pyrite cubes set against dark crystalline sphalerite - a pretty Peruvian combination piece out of the collection of Jaime Bird.
4.2 x 3.5 x 2.2 cm. A fine, old-time pseudomorph and combination specimen from a classic and famous locality - Kisbanya or the Herja Mine of Romania. Rust-brown marcasite pseudomorphs jackstraw-layered, tabular pyrrhotite crystals, which rest in a matrix of lustrous, black sphalerite. This fine old pseudomorph is from the Mullane Collection and comes with an Anton Berger label, well-known Austrian mineral dealers from the 1920s-1950s.
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Rob Lavinsky, rob@irocks.com
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share specimen![Baryte, Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-212115a.jpg]](db_pics/mdpics/MD-212115a.jpg)
![Baryte, Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-212116a.jpg]](db_pics/mdpics/MD-212116a.jpg)
![Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-213158a.jpg]](db_pics/mdpics/MD-213158a.jpg)
![Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-213158b.jpg]](db_pics/mdpics/MD-213158b.jpg)
![Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-214703a.jpg]](db_pics/mdpics/MD-214703a.jpg)
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![Chalcostibite, Sphalerite, Dolomite, Galena from Boldut Mine, Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-216393b.jpg]](db_pics/mdpics/MD-216393b.jpg)
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![Sphalerite from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-217486a.jpg]](db_pics/mdpics/MD-217486a.jpg)
![Sphalerite, Chalcopyrite, Galena from Commodore Mine, Amethyst Vein, Creede District, Mineral Co., Colorado, USA [db_pics/mdpics/MD-219074a.jpg]](db_pics/mdpics/MD-219074a.jpg)
![Sphalerite, Pyrite, Baryte from Wiesloch, Heidelberg, Baden-Württemberg, Germany [db_pics/mdpics/MD-219111a.jpg]](db_pics/mdpics/MD-219111a.jpg)
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![Rhodochrosite, Sphalerite, Pyrite from Raura District, Cajatambo Province, Lima Department, Peru [db_pics/mdpics/MD-219299a.jpg]](db_pics/mdpics/MD-219299a.jpg)
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