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Glauberite

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GND69813

Glauberite

Description Tabs

Description
Locality: 
Lake Bumbunga, Lochiel, Mount Lofty Ranges, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4 × 2.5 cm
Largest Crystal: 
1.90cm
Description

A lovely example of interlocking bladed grey glauberite crystals from this small salt lake in the mid north of South Australia. Usually these specimens develop a white alteration coating of gypsum after removal from the lake's mud, but this piece has remained quite stable.

The crystals are quite translucent and there is no damage. Very nice for the locality and species.

Mineral Data
What's on the rock

Glauberite

Formula: 
Na2Ca(SO4)2
Strunz: 
7.AD.25
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
El Castellar Mine, Villarrubia de Santiago, Ocaña, Toledo, Castile-La Mancha, Spain
Gondwana Minerals
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