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Probertite

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SHS786593

Probertite

Description Tabs

Description
Locality: 
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.3 × 2.3 cm
Description

Nice clear probertite on matrix

Mineral Data
What's on the rock

Probertite

Formula: 
NaCaB5O7(OH)4·3H2O
Strunz: 
6.EB.15
Hardness: 
3.5
Streak: 
White
Type Locality: 
Baker mine, U.S. Borax Mine (Pacific West Coast Borax; Pacific Coast Borax Co.; Boron Mine; U.S. Borax and Chemical Corp.; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA