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Köttigite

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RGR730804

Köttigite

Description Tabs

Description
Locality: 
Plavno Mine, Krušné Hory Mountains, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2 cm
Description

Spheric acicular agregates of pink cobaltoan kottigite. St Joachimsthal historic district. Specimen is from original find, myself collecting.

Mineral Data
What's on the rock

Köttigite

Formula: 
Zn3(AsO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic Prismatic crystals or crusts
Hardness: 
2.5 - 3.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany