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Cobaltoan Köttigite

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MMM27330

Cobaltoan Köttigite

Description Tabs

Description
Locality: 
Wheal Prosper, Trevarthian Downs, Marazion, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 6 × 6 cm
Description

Tiny white sprays of Kottigite some tinged pink with cobalt on altered slate matrix, stained green with copper secondary minerals.

One of only a few specimens which was found on the dumps in 1994 and also the first British occurrence for this rare mineral.

Mineral Data
What's on the rock

Cobaltoan Köttigite

Variety Of: 

Köttigite

Formula: 
Zn3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
2.5 - 3.0
Hardness: 
0.0
Colour: 
Pale pink