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Boracite

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SYA843833

Boracite

Description Tabs

Description
Locality: 
Glückauf Mine, Sondershausen, Kyffhäuser District, Thuringia, Germany
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.3 × 0.1 cm
Description

More than ten, sharp, gemmy clear blue to green colored single boracite crystals from 1-4 mm with minor pyrite.

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

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