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Köttigite

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SYA658349

Köttigite

Classic Locality

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 6 × 3.5 cm
Largest Crystal: 
0.80cm
Description

Lots of grey-blue/greenish sharp and well terminated köttigite crystals scattered all around the specimen and filling vugs in limonite matrix.

Nice old-time specimen from the 1970s

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

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