Kummerite
A variety of Minerals
What is Kummerite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Kummerite 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.
Kummerite Localities Map
See where Kummerite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Amber yellow
- Density
- 2.34 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Mn2+Fe3+Al(PO4)2(OH)2·8H2O Crystallochemical formula: Mn2+(H2O)4Fe3+(OH)(PO4)2Al(OH)(H2O)22
- Elements
- Al, Fe, H, Mn, O, P
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Kummerite FAQs
How do I identify Kummerite?
Kummerite can be identified by its Amber yellow color. Look for these key characteristics when examining specimens.
What color is Kummerite?
Kummerite typically appears in Amber yellow. Color can vary depending on impurities and formation conditions.
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