Brilliant DIOPTASE cluster, Tsumeb Mine, Namibia (db2002-7)

$1,995.00

Cluster of large emerald-green DIOPTASE crystals on matrix. The two largest dioptase crystals are 0.5 inches long. Luster is adamantine. Crystals are rhombohedral shape. The specimen is from the famous TSUMEB Mine in Namibia. Custom base. Minor white Calcite crystals are sprinkled over the specimen.

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Cluster of large emerald-green DIOPTASE crystals on matrix. The two largest dioptase crystals are 0.5 inches long. Luster is adamantine. Crystals are rhombohedral shape. The specimen is from the famous TSUMEB Mine in Namibia. Custom base. Minor white Calcite crystals are sprinkled over the specimen.

DIOPTASE is a copper silicate mineral. Color is an intense emerald-green to bluish-green. Its luster is vitreous to adamantine. It has a hardness of 5, the same as apatite. Its specific gravity is 3.28–3.35, and it has two perfect and one very good cleavage directions.  Crystal System is Trigonal, Class Hexagonal Rhombohedral. 

LocationTsumeb Mine, Tsumeb, Oshikoto Region, Namibia

The Tsumeb Mine in Namibia is world renowned for the quality and variety of fine mineral specimens that it has produced. Mined for a century for Cu-Pb-Zn-Ag-Ge-Cd, the Tsumeb mine has produced 321 valid minerals, and many of the minerals discovered there have never been found in other localities. All mining operations at Tsumeb were stopped in 2006. Probably best known for the brilliant green dioptase crystals, the Tsumeb Mine sets the standard for this colorful mineral species. Equally important are the well-formed malachite crystals, calcite specimens often with malachite or dioptase inclusions, native copper crystals, and many exotic mineral species.

Specimen Size: 2.6 x 1.6 x 1.1 inches

Specimen Weight: 145 grams (5.1 ounces) including the base

Brought to you by SIDEWINDER MINERALS

Weight 13 oz
Dimensions 5 × 5 × 5 in

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