Stalderite
A variety of Minerals
What is Stalderite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Stalderite 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.
Stalderite Localities Map
See where Stalderite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black with a blue and red iridescence
- Hardness (Mohs)
- 3.5 - 4
- Streak
- Brown-red
Chemical Properties
- Chemical Formula
- Tl(Cu,Ag)(Zn,Fe,Hg)2(As,Sb)2S6
- Elements
- As, Cu, Fe, Hg, S, Tl, Zn
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Stalderite FAQs
How do I identify Stalderite?
Stalderite can be identified by its hardness of 3.5 - 4 on the Mohs scale, Black with a blue and red iridescence color. Look for these key characteristics when examining specimens.
What color is Stalderite?
Stalderite typically appears in Black with a blue and red iridescence. Color can vary depending on impurities and formation conditions.
How hard is Stalderite?
Stalderite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.
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