Otavite
A variety of Minerals
What is Otavite?
Otavite is a rare cadmium carbonate mineral with the 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.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Otavite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Otavite Localities Map
See where Otavite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- White to yellow-brown or reddish
- Hardness (Mohs)
- 3.5 - 4
- Density
- 5.03 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CdCO3
- Elements
- C, Cd, O
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Otavite FAQs
How do I identify Otavite?
Otavite can be identified by its hardness of 3.5 - 4 on the Mohs scale, White to yellow-brown or reddish color. Look for these key characteristics when examining specimens.
What color is Otavite?
Otavite typically appears in White to yellow-brown or reddish. Color can vary depending on impurities and formation conditions.
How hard is Otavite?
Otavite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.
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