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Harmotome

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Harmotome

Classic Locality

Description Tabs

Description
Locality: 
Vechec, Vranov nad Topľou County, Prešov Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2 × 1.8 cm
Description

specimen with many very nice groups of colourless brilliant crystals of harmotome on matrix

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

Seller Information

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