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Mineral Type
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Dioptase
Dioptase (CuSiO3·H2O) is an intense emerald-green to bluish-green copper cyclosilicate mineral. It forms very distinctive, well-developed transparent to translucent crystals, although only a handful of well-known deposits have produced large crystals. Dioptase has a hardness of 5, the same as tooth enamel. Crystals are generally fragile and can easily break or crumble. This mineral was named in 1797 from a combination of the Greek words Dia, which means "through" and Optasia, which means "to see".
The type locality for Dioptase, known for producing large and exceptional crystals, is Altyn-Tyube, Kazakhstan. However, the most famous locality is certainly Tsumeb in Namibia, which has produced outstanding specimens over the years. The copper mines of the Kaokoveld District in Namibia are also worth mentioning, as well as the Katanga Copper Crescent in Democratic Republic of Congo.
Dioptase on a Quartz matrix from the Altyn-Tyube dioptase deposit, Altyn-Tyube area, Kirghiz Steppes..
$60.00 USD
Ex Tax: $60.00 USD
Ex Tax: $60.00 USD
Dioptase from Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia. A lustrous and gemmy group of f..
$0.00 USD
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Dioptase with Calcite, from Tsumeb, Otjikoto Region, Namibia.
2.4 x 1.5 x 1.0 (Thumbnail)
..
$0.00 USD
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Dioptase on Chrysocolla, Kaokoveld Plateau, Kunene Region, Namibia.
2.5 x 1.5 x 1.0 cm ..
$0.00 USD
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Dioptase on ''frosty'' Calcite from the Altyn-Tyube dioptase deposit, Altyn-Tyube area, Ki..
$0.00 USD
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Miniature Dioptase on ''frosty'' Calcite from the Altyn-Tyube dioptase deposit, Altyn-Tyube area, Ki..
$0.00 USD
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Dioptase with Arsentsumebite from Tsumeb, Otjikoto Region, Namibia.
4.1 x 3.6 x 2.6 cm ..
$0.00 USD
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Dioptase with Mottramite on Calcite from Tsumeb, Otjikoto Region, Namibia.
4.0 x 3.0 x ..
$0.00 USD
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Dioptase with Malachite from Kaokoveld Plateau, Kunene Region, Namibia.
5.0 x 6.5 x 4.0..
$0.00 USD
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Amazing aesthetic Dioptase floater with 3 main crystals and smaller crystals around. The m..
$0.00 USD
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Miniature Dioptase on ''frosty'' Calcite from the Altyn-Tyube dioptase deposit, Altyn-Tyube area, Ki..
$0.00 USD
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Some very nice well terminated Dioptase with a deep green color on matrix from the Altyn-Tyube diopt..
$0.00 USD
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Gorgeous sparkling translucent green Dioptase crystals distributed on a matrix. From the famous Tsum..
$0.00 USD
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This superb specimen features an isolated cluster of sparkling, intense green Dioptase cry..
$0.00 USD
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Some well terminated, deep green Dioptase crystal with fine luster and intergrown smaller ..
$0.00 USD
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