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Boracite

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SHS562576

Boracite

Description Tabs

Description
Locality: 
Glückauf Mine, Sondershausen, Kyffhäuser District, Thuringia, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.3 × 0.2 cm
Description

Bundle of three nice boracite crystals

Mineral Data
What's on the rock

Boracite

Formula: 
Mg3(B7O13)Cl
Strunz: 
6.GA.05
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 7.5
Streak: 
White
Type Locality: 
Lüneburger Kalkberg, Lüneburg, Lower Saxony, Germany