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Thénardite & Mascagnite

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RBM770119

Thénardite & Mascagnite

Description Tabs

Description
Locality: 
Antofagasta, Antofagasta Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 9 × 5 cm
Description

Anthropogenic white thénardite accompanied with mascagnite on selenite crystals. thénardite include copper ions.

Mineral Data
What's on the rock

Thénardite

Formula: 
Na2SO4
Strunz: 
6/A.07-10
Crystal System: 
Orthorhombic
Hardness: 
2½ - 3
Colour: 
Colourless, very light grey, light brown; colourless in transmitted light

Mascagnite

Formula: 
(NH4)2SO4
Strunz: 
7.AD.05
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 2.5
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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