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Thermonatrite On Halite

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CR103735

Thermonatrite On Halite

Description Tabs

Description
Locality: 
Koehn Lake, Freemont Valley, Kern County, California, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 4 cm
Description

Nice thermonatrite after natron very rich on gemmy Halite crystals from the famous Prof. Anton Gösswein collection, Germany.

Mineral Data
What's on the rock

Thermonatrite

Formula: 
Na2CO3·H2O
Strunz: 
5.CB.05
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 1.5

Halite

Formula: 
NaCl
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.5
Streak: 
White