Coppernite
A variety of Igneous
What is Coppernite?
There's a lot of debate on the origin of coppernite. It is often mistakenly sold to people as Nuummite, though there is a theory that this material is actually black galaxy granite quarried predominantly in India, which features golden flecks over solid black.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Coppernite 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.
Coppernite Localities Map
See where Coppernite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black and dark brown with bronze flecks
- Hardness (Mohs)
- 5.5 - 6
- Density
- 2.55 - 3.4 g/cm³
Also Known As
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Coppernite FAQs
How do I identify Coppernite?
Coppernite can be identified by its hardness of 5.5 - 6 on the Mohs scale, Black and dark brown with bronze flecks color. Look for these key characteristics when examining specimens.
What color is Coppernite?
Coppernite typically appears in Black and dark brown with bronze flecks. Color can vary depending on impurities and formation conditions.
How hard is Coppernite?
Coppernite has a hardness of 5.5 - 6 on the Mohs scale. This gives it moderate hardness.
