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Osumilite

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SHS74684

Osumilite

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Description
Locality: 
Funtanafigu Quarry, Marrubiu, Oristano Province, Sardinia, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.3 × 2.3 cm
Description

Osumilite crystals on matrix

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
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