Quadratite
A variety of Minerals
What is Quadratite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Quadratite 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.
Quadratite Localities Map
See where Quadratite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Gray; reddish (laminae)
- Hardness (Mohs)
- 3
- Density
- 5.31 g/cm³
- Streak
- Reddish-brown
Chemical Properties
- Chemical Formula
- Ag(Cd,Pb)AsS3
- Elements
- Ag, As, Cd, Pb, S
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Quadratite FAQs
How do I identify Quadratite?
Quadratite can be identified by its hardness of 3 on the Mohs scale, Gray; reddish (laminae) color. Look for these key characteristics when examining specimens.
What color is Quadratite?
Quadratite typically appears in Gray; reddish (laminae). Color can vary depending on impurities and formation conditions.
How hard is Quadratite?
Quadratite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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