Frohbergite
A variety of Marcasite Group
What is Frohbergite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Frohbergite 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.
Applies to all rocks & minerals.
Quick Facts
Physical Properties
- Hardness (Mohs)
- 3 - 4
- Rock tumbling
- Not recommended
- Density
- 8.057 g/cm³
Chemical Properties
- Chemical Formula
- FeTe2
- Elements
- Fe, Te
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Frohbergite FAQs
How do I identify Frohbergite?
Frohbergite can be identified by its hardness of 3 - 4 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Frohbergite?
Frohbergite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
