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Gageite

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SKY618972

Gageite

Type Locality

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.8 cm
Description

Beige crystals of the rare manganese mineral gageite from the famous locality of N'Chwaning II mine in Southafrica.

Mineral Data
What's on the rock

Gageite

Formula: 
Mn21(Si4O12)2O3(OH)20
Strunz: 
9.DH.35
Crystal System: 
Triclinic Monoclinic
Hardness: 
3.0
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

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