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Celestine & Calcite

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MEX140160

Celestine & Calcite

Classic Locality

Description Tabs

Description
Locality: 
La Paz, Sierra del Fraile, San Luis Potosi, Mexico
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 3.8 × 3.1 cm
Description

Branching of light blue celestine crystals with white crust of uv-activ calcite. The fluorescence of calcite is weakly.

Mineral Data
What's on the rock

Celestine

Formula: 
SrSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Bell's Mill, Bellwood, Blair Co., Pennsylvania, USA...

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White