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Keyite

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CR81558

Keyite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.7 × 0.4 cm
Description

Blue microcrystals of the very rare mineral keyite on tennantite ore matrix.

The piece is hard to photo but its actually quite rich with beautiful blue microcrystals under the microscope.

Ex Grosch collection.

Mineral Data
What's on the rock

Keyite

Formula: 
Cu2+3Zn4Cd2(AsO4)6·2H2O
Strunz: 
8.CA.50
Hardness: 
0.0
Colour: 
blue
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia