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Shigaite

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BCK738851

Shigaite

Al Kelly collection
Rare Mineral

Description Tabs

Description
Locality: 
Homer Mine, Mineral Hills, Iron County, Michigan, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3.5 × 2.5 cm
Description

You are bidding on an excpetionally rich small miniature sample with hundreds of shigaite crystals on manganese ore with sprinkles of hematite. Some of the crystal groups are quite large (photos 1 and 4). Crystals present on three sides of the matrix. 

Mineral Data
What's on the rock

Shigaite

Formula: 
Mn6Al3(OH)18[Na(H2O)6][SO4]2·6H2O
Strunz: 
7.DD.35
Hardness: 
0.0
Type Locality: 
Ioi mine, Ritto City, Shiga Prefecture, Kinki Region, Honshu Island, Japan

Seller Information

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