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Groutite

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SHS157973

Groutite

Description Tabs

Description
Locality: 
Blackwater Mine, Yazzie Mesa, Apache County, Arizona, United States of America
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.7 × 0.9 cm
Description

Nice groutite crystals on matrix

Mineral Data
What's on the rock

Groutite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.10
Hardness: 
3.5 - 4.0
Type Locality: 
Sagamore Mangan No. 2 pit, Ironton, Cuyuna North Range, Crow Wing Co., Minnesota, USA