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Köttigite

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MEX533612

Köttigite

Classic Locality

Description Tabs

Description
Locality: 
Richelsdorf District, Wildeck, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.2 × 1.1 cm
Weight: 
11.00gr
Description

Well terminated crystal balls on carbonat matrix. It is the best specimen what we see in about 25 years.

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