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Groutite

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CSL159663

Groutite

Description Tabs

Description
Locality: 
Kirovgrad, Kirovohrad Oblast, Ukraine
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 4.5 × 4.1 cm
Description

Good ukranian groutite specimen with good crystals. This is an uncommon manganese-oxy-hydroxyde mineral, forms black bladed crystals on limestone 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
Loranth Minerals

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