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Boracite

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NST740613

Boracite

Classic Locality

Description Tabs

Description
Locality: 
Lüneburg, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.5 × 1.5 cm
Largest Crystal: 
0.50cm
Description

A sharp, yellowish-green crystal of boracite in gypsum matrix from Lüneburg.

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