Gedrite
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Gedrite is a crystal belonging to the orthorhombic ferromagnesian subgroup of the amphibole supergroup of the double chain inosilicate minerals with the ideal chemical formula Mg2O222.
Gedrite on a feldspar matrix
Anthophyllite
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Anthophyllite is an orthorhombic amphibole mineral: ☐Mg2Mg5Si8O222, magnesium iron inosilicate hydroxide. Anthophyllite is polymorphic with cummingtonite. Some forms of anthophyllite are lamellar or f
Anthophyllite in serpentinised komatiite, Maggie Hays Ni Mine, Western Australia
Anthophyllite fibers (SEM micrograph)