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Hydroboracite With Anhydrite

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LGM537539

Hydroboracite With Anhydrite

Ex Ring collection, Munich, Germany
Classic Locality

Description Tabs

Description
Locality: 
Niedersachswerfen, Nordhausen, Thuringia, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 4.9 × 2.5 cm
Weight: 
41.00gr
Description

A radiating spray of hydroboracite of nearly 5 cm in diameter on massive anhydrite. Good specimen for the species.

The locality Niedersachswerfen near Nordhausen delivered some of the best hydroboracite specimen worldwide.

Mineral Data
What's on the rock

Hydroboracite

Formula: 
CaMg[B3O4(OH)3]2·3H2O
Strunz: 
6.CB.15
Hardness: 
2.0
Type Locality: 
Inder B deposit and salt dome, Atyrau (Gur'yev), Atyrau Province (Atyrau Oblysy; Atyrau Oblast'), Kazakhstan...

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

Seller Information

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