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Roscoelite

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ESM533168

Roscoelite

Type Locality

Description Tabs

Description
Locality: 
Stuckslager Mine, Coloma, El Dorado County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 4.4 × 2.4 cm
Description

Brownish-green roscoelite crystals on matrix

 

Mineral Data
What's on the rock

Roscoelite

Formula: 
K(V3+,Al)2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Type Locality: 
Stuckslager Mine (Stuckslacker Mine; Sam Simms Mine), Granite Creek, Coloma, El Dorado Co., California, USA