Gerstleyite
A variety of Minerals
What is Gerstleyite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Gerstleyite 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.
Gerstleyite Localities Map
See where Gerstleyite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Cinnabar red, darkening on exposure
- Hardness (Mohs)
- 2.5
- Density
- 3.723 g/cm³
- Streak
- Bright cinnabar red
Chemical Properties
- Chemical Formula
- Na2(Sb,As)8S13 · 2H2O
- Elements
- As, H, Na, O, S, Sb
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Gerstleyite FAQs
How do I identify Gerstleyite?
Gerstleyite can be identified by its hardness of 2.5 on the Mohs scale, Cinnabar red color. Look for these key characteristics when examining specimens.
What color is Gerstleyite?
Gerstleyite typically appears in Cinnabar red, darkening on exposure. Color can vary depending on impurities and formation conditions.
How hard is Gerstleyite?
Gerstleyite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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