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Aristarainite Sassolite & Blödite

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RHT687694

Aristarainite Sassolite & Blödite

ex collection Manfred Schaeffer
Rare Mineral

Description Tabs

Description
Locality: 
Eagle Borax Spring, Death Valley, Inyo County, California, United States of America
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

The second of two specimen of very rare aristarainite from the second of meanwhile four known localities. Mixed with sassolite on rough blödite.

Micro-crystals.

Mineral Data
What's on the rock

Aristarainite

Formula: 
Na2MgB12O20·8H2O
Strunz: 
6.FB.05
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Tincalayu Mine, Salar Del Hombre Muerto, Salta, Argentina

Sassolite

Formula: 
H3BO3
Strunz: 
6.AA.05
Crystal System: 
Triclinic
Hardness: 
1.0
Streak: 
White
Type Locality: 
Sasso Pisano, Castelnuovo Val di Cecina, Pisa Province, Tuscany, Italy

Blödite

Formula: 
Na2Mg(SO4)2·4H2O
Strunz: 
7.CC.50
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Ischler Salzberg, Perneck, Bad Ischl, Gmunden, Upper Austria, Austria
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