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Cadmium carbonate

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Cadmium carbonate

Otavite
Oshikoto Region, Namibia
General
Category Carbonate minerals
Formula
(repeating unit)
CdCO3
Strunz classification 05.AB.05
Identification
Crystal system Trigonal

Otavite is a rare cadmium carbonate mineral with formula: CdCO3. Otavite crystallizes in the trigonal system and forms encrustations and small scalenohedral crystals that have a pearly to adamantine luster. The color is white to reddish to yellow brown. Its Mohs hardness is 3.5 to 4 and the specific gravity is 5.04. Associated minerals include azurite, calcite, malachite, and smithsonite.

It was first described in 1906 from the Tsumeb district near Otavi, Namibia.

References

  • Mindat locality data
  • Webmineral
  • Mineral galleries
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