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Glauberite

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SHS116786

Glauberite

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Description
Locality: 
Bertram Mine, Bertram, Imperial County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.6 × 0.7 cm
Description

Nice glauberite crystal

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