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Glauberite

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PDM820977

Glauberite

Classic Locality

Description Tabs

Description
Locality: 
Consuelo Mine, Chinchón, Madrid, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.1 × 1.3 cm
Description

Sharp gemmy tabular crystals of glauberite with very good lustre and classical striations for prismatic developments. I collected this specimen back in 2004 at the Consuelo Mine, that produced long ago the World-best glauberite crystals during the short period it was exploited at the a XIX Century, from 1880 to 1889.

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

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