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Krieselite

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JYJ917809

Krieselite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.9 × 0.7 cm
Description

Filigrane acicular colourless krieselite sprays with a yet unidentfied green tabular phase (will be soon analysed, could be similar to a unknown undescribed Ga-Ge end member of the chlorite group). Other minerals associated are germanite and plumbogummite with Ga and Ge amounts. 

SEM-EDS no MA1610. 

Comes with a colour printed analysis 

Mineral Data
What's on the rock

Krieselite

Formula: 
(Al,Ga)2(GeO4)(OH)2
Strunz: 
9.AF.20
Hardness: 
5.5 - 6.5
Streak: 
White
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia