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Windmountainite

Type Locality
Wind Mountain, Cornudas Mountains, Otero County, New Mexico, USA
Mineral Data
◻Fe3+2Mg22Si8O20(OH)2(H2O)4 · 4H2O
Strunz: 
9.EE.20
Physical Properties
Colour: 
Orange-brown
Crystal System: 
Monoclinic
Streak: 
Orange-brown
Hardness: 
2
Tenacity: 
Brittle
Synonyms
Synonyms: 
IMA2018-130a