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Vuagnatite: CaAlSiO4(OH) Mcguinnessite: (Mg,Cu)2(CO3)(OH)2
Comments: Translucent colorless vuagnatite microcrystals with mcguinnessite.
Location: Near Red Mountain, Mendocino County, California, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species