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Harmotome

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CAM614442

Harmotome

With antique label
Type Locality

Description Tabs

Description
Locality: 
St Andreasberg District, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.4 × 7 × 2.8 cm
Largest Crystal: 
0.80cm
Description

A rich coverage of colourless harmotome crystals up to 8 mm on matrix.  A very good classic specimen from the Type Locality with a beautiful old label 

Mineral Data
What's on the rock

Harmotome

Formula: 
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany
Cartils Minerals

Seller Information

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