Osumilite-(Mg) Image

Hudson Institute of Mineralogy

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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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