Ranciéite
A variety of Minerals
What is Ranciéite?
Ranciéite Market Value Calculator
Estimate the market value of Ranciéite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Ranciéite Localities Map
See where Ranciéite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Black, brownish, violet.
- Hardness (Mohs)
- 2.5 - 3
- Density
- 3.2 g/cm³
- Streak
- Dark brown
Chemical Properties
- Chemical Formula
- (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
- Elements
- Ca, H, Mn, O
Also Known As
RanciéiteManganese Oxides
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