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Osumilite

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RFJ848831

Osumilite

Description Tabs

Description
Locality: 
Kagoshima Prefecture, Kyushu Region, Japan
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3.4 × 2.4 cm
Description

Nice very dark blue crystals,they look mostly black,from the Type locality.

Mineral Data
What's on the rock

Osumilite

Formula: 
(K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30
Strunz: 
9.CM.05
Hardness: 
5.0 - 6.0
Colour: 
Blue
Type Locality: 
Sakkabira, Osumi Peninsula, Kagoshima Prefecture, Kyushu Region, Japan

Seller Information

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