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Boracite

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SER1085662

Boracite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Glückauf Mine, Sondershausen, Kyffhäuser District, Thuringia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.1 × 4.6 × 4.1 cm
Description

a wonderful old time specimen featuring several mint green boracite crystals with pyrite on anhydrite matrix

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

Current price

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80
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Start 10 Dec 18:00
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