• Calcite on Conichalcite
  • Calcite on Conichalcite
  • Calcite on Conichalcite
  • Calcite on Conichalcite
  • Calcite on Conichalcite
  • Calcite on Conichalcite
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Calcite on Conichalcite

$12,500.00   €10,304  £8,900.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC16579
A classic specimen of beautiful rhombohedral, sharp-edged crystals of Calcite set against a carpet of rich leaf-green Conichalcite from the Tsumeb Mine in the Oshikoto Region of Namibia. The Calcite crystals have developed as equant (equal-sided) rhombs and as flattened, more tabular rhombs. Although essentially colourless, all crystals are tinted a greyish-cream, especially towards their centres. The prism faces are glassy-smooth and mirror-bright and at certain angles give a play of iridescent interference colours from both their surface and internally.  The Calcite rhombs also catch the light giving superb internal reflections, making them appear backlit. The solid, iron-stained Dolomite matrix naturally positions the display face at one of either two angles, according to which side of the base the specimen rests on. The Conichalcite forms a solid covering of sub-mm botryoidal crystal aggregates which provide a velvety backdrop to the Calcite. A Tsumeb classic. 

Details

Dimensions
12.2 × 8.5 × 6.4 cm
Categories
Calcite, Carbonates, Phosphates, Arsenates and Vanadates, Exceptional Specimens
Locality
Tsumeb Mine, Tsumeb, Oshikoto Region (Otjikoto Region), Namibia

Minerals on Specimen

Minerals on specimen
Calcite, Conichalcite

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