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Harmotome

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JYJ709991

Harmotome

With Antique Label

Description Tabs

Description
Locality: 
Strontian, Highland, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.2 × 2 cm
Description

Colourless harmotome on matrix. Comes with an old label depicted in the label section. 

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
Labels
Label Images - only: Harmotome