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.

Preview only. Full pricing comps and valuation report in the app.

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

Interactive map layers and collecting notes are available in the app.

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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