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Tetraferriannite
Type Locality
Dales Gorge member Fe-formation, Wittenoom (Wittenoom Gorge), Ashburton Shire, Western Australia, Australia
Mineral Data
KFe
2+
3
((Fe
3+
,Al)Si
3
O
10
)(OH)
2
Strunz:
9.EC.20
Physical Properties
Crystal System:
Monoclinic
Hardness:
2.5 - 3.0
