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Niedermayrite & Edwardsite

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JYJ885084

Niedermayrite & Edwardsite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.1 × 2 cm
Description

Bright blue niedermayrite (Pseudo Gandolfi SCXRD & SEM-EDS conf. ) associated with colourless lazaridisite on germanite and chalcocite. 

Comes with a colour printed analysis. 

 

Mineral Data
What's on the rock

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

Edwardsite

Formula: 
Cu3Cd2(SO4)2(OH)6·4H2O
Strunz: 
7.DD.30
Hardness: 
3.0 - 0.0
Colour: 
Pale blue
Type Locality: 
Block 14 opencut, Broken Hill, Yancowinna Co., New South Wales, Australia