Bederite
A variety of Minerals
What is Bederite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Bederite 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.
Bederite Localities Map
See where Bederite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- very dark brown to black
- Hardness (Mohs)
- 5
- Density
- 3.5 g/cm³
- Streak
- dark olive-green
Chemical Properties
- Chemical Formula
- Ca2(Mn2+)4(Fe3+)2(PO4)6 · 2H2O Formula simplifies the crystal-chemical features; the Na site in other wicksite-group minerals is vacant in bederite.
- Elements
- Ca, Fe, H, Mn, O, P
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Bederite FAQs
How do I identify Bederite?
Bederite can be identified by its hardness of 5 on the Mohs scale, very dark brown to black color. Look for these key characteristics when examining specimens.
What color is Bederite?
Bederite typically appears in very dark brown to black. Color can vary depending on impurities and formation conditions.
How hard is Bederite?
Bederite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
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