Freboldite
A variety of Nickeline Group
What is Freboldite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Freboldite 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.
Quick Facts
Physical Properties
- Color
- Copper-red
- Hardness (Mohs)
- 2.5 - 3
- Rock tumbling
- Not recommended
- Density
- 7.7 g/cm³
Chemical Properties
- Chemical Formula
- CoSe
- Elements
- Co, Se
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Freboldite FAQs
How do I identify Freboldite?
Freboldite can be identified by its hardness of 2.5 - 3 on the Mohs scale, Copper-red color. Look for these key characteristics when examining specimens.
What color is Freboldite?
Freboldite typically appears in Copper-red. Color can vary depending on impurities and formation conditions.
How hard is Freboldite?
Freboldite has a hardness of 2.5 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
