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Comments: White, massive amesite between quartz.
Location: Missoula, Missoula County, Montana, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Amesite: Mg2Al(SiAl)O5(OH)4 Titanite: CaTiSiO5
Comments: Green titanite (sphene) crystals on purple chromamesite (clinochlore?).
Location: Saranovskaya Deposit, Middle Ural Mountains, Russia.
Scale: Picture size 7 cm.
© Dave Barthelmy