Abswurmbachite
A variety of Minerals
What is Abswurmbachite?
Abswurmbachite is a copper manganese silicate mineral ((Cu,Mn)Mn6O8SiO4). It was first described in 1991 and named after Irmgard Abs-Wurmbach (born 1938), a German mineralogist. It crystallizes in the tetragonal system. Its Mohs scale rating is 6.5 and a specific gravity of 4.96. It has a metallic luster and its color is jet black, with light brown streaks.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Abswurmbachite 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.
Abswurmbachite Localities Map
See where Abswurmbachite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- black
- Hardness (Mohs)
- 6.5
- Density
- 4.96 g/cm³
- Streak
- brownish black
Chemical Properties
- Chemical Formula
- CuMn3+6(SiO4)O8
- Elements
- Cu, Mn, O, Si
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Abswurmbachite FAQs
How do I identify Abswurmbachite?
Abswurmbachite can be identified by its hardness of 6.5 on the Mohs scale, black color. Look for these key characteristics when examining specimens.
What color is Abswurmbachite?
Abswurmbachite typically appears in black. Color can vary depending on impurities and formation conditions.
How hard is Abswurmbachite?
Abswurmbachite has a hardness of 6.5 on the Mohs scale. This gives it moderate hardness.
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