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Hydroboracite

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KAT686668

Hydroboracite

Description Tabs

Description
Locality: 
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.4 × 5.3 × 2.2 cm
Description

sharp, well terminated, colorless, very bright and waterclear hydroboracite crystals - on anhydrite

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...

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