Tsumcorite
A variety of Minerals
What is Tsumcorite?
Tsumcorite is a rare hydrated lead arsenate mineral that was discovered in 1971, and reported by Geier, Kautz and Muller. It was named after the TSUMeb CORporation mine at Tsumeb, in Namibia, in recognition of the Corporation's support for mineralogical investigations of the orebody at its Mineral Research Laboratory.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tsumcorite 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.
Tsumcorite Localities Map
See where Tsumcorite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Yellow-brown, red-brown, orange
- Hardness (Mohs)
- 4.5
- Streak
- Yellow
Chemical Properties
- Chemical Formula
- PbZn2(AsO4)2 · 2H2O May contain minor Fe3+ replacing Zn.
- Elements
- As, H, O, Pb, Zn
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Tsumcorite FAQs
How do I identify Tsumcorite?
Tsumcorite can be identified by its hardness of 4.5 on the Mohs scale, Yellow-brown color. Look for these key characteristics when examining specimens.
What color is Tsumcorite?
Tsumcorite typically appears in Yellow-brown, red-brown, orange. Color can vary depending on impurities and formation conditions.
How hard is Tsumcorite?
Tsumcorite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.
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