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Celestine On Calcite

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Celestine On Calcite

Description Tabs

Description
Locality: 
Onion Creek, Austin, Travis County, Texas, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.2 × 6.3 × 2.5 cm
Largest Crystal: 
2.50cm
Description

A nice specimen from a previously undiscovered deposit in Austin, Texas. I discovered this spot in 2009 while prospecting for fossils.

Massive sky blue celestite sits perched atop nice yellow calcite scalenohedrons. No significant damage. Blake Barnett Photography.

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
AmericanFineMinerals