Mckinstryite
A variety of Minerals
What is Mckinstryite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Mckinstryite 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.
Mckinstryite Localities Map
See where Mckinstryite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Steel gray
- Hardness (Mohs)
- 1.5 - 2.5
- Density
- 6.57 g/cm³
- Streak
- Dark steel-gray
Chemical Properties
- Chemical Formula
- Ag5-xCu3+xS4 x ≈ 0-0.28
- Elements
- Ag, Cu, S
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Mckinstryite FAQs
How do I identify Mckinstryite?
Mckinstryite can be identified by its hardness of 1.5 - 2.5 on the Mohs scale, Steel gray color. Look for these key characteristics when examining specimens.
What color is Mckinstryite?
Mckinstryite typically appears in Steel gray. Color can vary depending on impurities and formation conditions.
How hard is Mckinstryite?
Mckinstryite has a hardness of 1.5 - 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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