Vaesite
A variety of Minerals
What is Vaesite?
Vaesite (NiS2) is a mineral found together with cattierite in the Democratic Republic of Congo. It is named after Johannes F. Vaes, a Belgian mineralologist.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Vaesite 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.
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Quick Facts
Physical Properties
- Color
- Black, silver-gray
- Hardness (Mohs)
- 4.5 - 5.5
- Rock tumbling
- Not recommended
- Density
- 4.47 g/cm³
- Streak
- Black
Chemical Properties
- Chemical Formula
- NiS2
- Elements
- Ni, S
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Vaesite FAQs
How do I identify Vaesite?
Vaesite can be identified by its hardness of 4.5 - 5.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Vaesite?
Vaesite typically appears in Black, silver-gray. Color can vary depending on impurities and formation conditions.
How hard is Vaesite?
Vaesite has a hardness of 4.5 - 5.5 on the Mohs scale. This gives it moderate hardness.
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