Twinnite
A variety of Minerals
What is Twinnite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Twinnite 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.
Twinnite Localities Map
See where Twinnite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black
- Hardness (Mohs)
- 3.5
- Streak
- Brownish black
Chemical Properties
- Chemical Formula
- Pb0.8Tl0.1Sb1.3As0.8S4 Simplified Pb(Sb,As)2S4.
- Elements
- Pb, S, Sb
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Twinnite FAQs
How do I identify Twinnite?
Twinnite can be identified by its hardness of 3.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Twinnite?
Twinnite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Twinnite?
Twinnite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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