Tags: Chemical Substance, Mineral.
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.
