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Osumilite-(Mg) Image

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 Osumilite-(Mg)

Large Osumilite-(Mg) Image

Mineral: Osumilite-(Mg): (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30
Comments: Sapphire-blue colored osumilite-(Mg) crystal in dacite.
Location: Yamanoguchi, Iriki, Satsuma-gun, Kagoshima Prefecture, Kyushu Island, Japan.
Scale: Crystal Size 0.05 cm.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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