Tetraferriannite
A variety of Minerals
What is Tetraferriannite?
Tetraferriannite Market Value Calculator
Estimate the market value of Tetraferriannite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Tetraferriannite Localities Map
See where Tetraferriannite 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
- Brown to black
- Hardness (Mohs)
- 2.5 - 3
- Streak
- Light brown
Chemical Properties
- Chemical Formula
- KFe2+3(Si3Fe3+)O10(OH)2 Fe(III) may be replaced by minor Al.
- Elements
- Fe, H, K, O, Si
Also Known As
TetraferrianniteFerri-annite
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