Comancheite
A variety of Minerals
What is Comancheite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Comancheite 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.
Comancheite Localities Map
See where Comancheite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Red (masses), orange-red to yellow (crystals)
- Hardness (Mohs)
- 2
- Streak
- Orange-yellow
Chemical Properties
- Chemical Formula
- Hg2+55N3–24(NH2,OH)4(Cl,Br)34 Originally assumed to be Hg2+13(Cl,Br)8O9. Formula revised (IMA 13-B).
- Elements
- Br, Cl, H, Hg, N, O
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Comancheite FAQs
How do I identify Comancheite?
Comancheite can be identified by its hardness of 2 on the Mohs scale, Red (masses) color. Look for these key characteristics when examining specimens.
What color is Comancheite?
Comancheite typically appears in Red (masses), orange-red to yellow (crystals). Color can vary depending on impurities and formation conditions.
How hard is Comancheite?
Comancheite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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