Ernienickelite
A variety of Chalcophanite Group
What is Ernienickelite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ernienickelite 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.
Ernienickelite Localities Map
See where Ernienickelite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black, red-brown cast.
- Hardness (Mohs)
- 2
- Density
- 3.83 g/cm³
- Streak
- yellow-brown
Chemical Properties
- Chemical Formula
- NiMn3O7 · 3H2O
- Elements
- H, Mn, Ni, O
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Ernienickelite FAQs
How do I identify Ernienickelite?
Ernienickelite can be identified by its hardness of 2 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Ernienickelite?
Ernienickelite typically appears in Black, red-brown cast.. Color can vary depending on impurities and formation conditions.
How hard is Ernienickelite?
Ernienickelite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.