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Keyite & Schultenite

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CR101919

Keyite & Schultenite

Rare Mineral

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.8 × 2.2 cm
Description

Blue microcrystals of the very rare mineral keyite on tennantite ore matrix with green cuproadamite and grey crystallized schultenite.

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

Schultenite (picture 3) is PXRD confirmed.

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

Schultenite

Formula: 
Pb(HAsO4)
Strunz: 
8.AD.30
Hardness: 
2.5
Streak: 
White
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia