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Galloplumbogummite & Niedermayrite

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JYJ899944

Galloplumbogummite & Niedermayrite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.6 × 1.3 cm
Description

Colourless galloplumbogummite with niedermayrite in cavities of germanite-renierite matrix. SEM-EDS & Raman confirmed material. 

 

Mineral Data
What's on the rock

Galloplumbogummite

Formula: 
Pb(Ga,Al)3-xGexH1-x(PO4)2(OH)6 for 0 ≤ x ≤ 1
Hardness: 
0.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Niedermayrite

Formula: 
CdCu4(SO4)2(OH)6·4H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
0.0
Streak: 
White
Type Locality: 
Esperanza Mine, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece