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Takanelite

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SHS105331

Takanelite

Description Tabs

Description
Locality: 
Marfa, Presidio County, Texas, United States of America
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.6 × 0.5 cm
Description

Grey takanelite in matrix

Mineral Data
What's on the rock

Takanelite

Formula: 
(Mn,Ca)Mn4O9·H2O
Strunz: 
4.FL.40
Crystal System: 
Hexagonal
Hardness: 
5.0
Type Locality: 
Nomura mine, Nomura, Seiyo City, Ehime prefecture, Shikoku Island, Japan