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Probertite With Ulexite

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PDM761281

Probertite With Ulexite

Description Tabs

Description
Locality: 
Bigadiç Mine, Bigadiç District, Balikesir Province, Turkey
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2.9 × 2.5 cm
Description

Radiated crystals of probertite in a matrix of fibrous white ulexite.

Ex. Dr. Bob Janssens specimen, #1963.

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

Ulexite

Formula: 
NaCa[B5O6(OH)6]·5H2O
Strunz: 
6.EA.25
Crystal System: 
Triclinic
Hardness: 
2.5
Type Locality: 
Iquique Province, Tarapacá Region, Chile

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