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Boracite In Anhydrite

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CSL85707

Boracite In Anhydrite

Ex Anton Berger specimen
Classic Locality

Description Tabs

Description
Locality: 
Riedel Potash Works, Hänigsen, Celle, Lower Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 5.7 × 1.8 cm
Largest Crystal: 
0.60cm
Description

Attractive miniature specimen with redish-brown boracite crystals in white anhydrite matrix.

The boracites shows tetrahedral shape, there are single crystals and combinations on the matrix.

Early/mid 20th century specimen, Ex Anton Berger collection.

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

Anhydrite

Formula: 
CaSO4
Strunz: 
7.AD.30
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Salt mine, Hall valley, Hall, Innsbruck, Inn valley, North Tyrol, Tyrol, Austria
Loranth Minerals

Seller Information

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