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Anhydrite & Calcite

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PCZ719245

Anhydrite & Calcite

Ex Steve Watts Collection

Description Tabs

Description
Locality: 
Naica, Chihuahua, Mexico
Class: 
Single Crystal
Size Range: 
Cabinet (10-18 cm)
Size: 
10.2 × 2.6 × 1.5 cm
Description

Anhydrite from this locality is often called 'Baby Blue' and as a collector specializing in collecting Mexican mineral for over 20 years I can assure you that it is very difficult to obtain these days. This is a very good spray of with attached calcite crystals on one side.

 

Trace: 
Pyrite
No Labels - details from catalogue
Condition
General: 
Excellent - locality specimen
Main Display: 
Excellent
Lustre: 
Variable - Very bright to satin
Mineral Data
What's on the rock

Anhydrite

Formula: 
CaSO4
Strunz: 
7.AD.30
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Salt mine, Hall valley, Hall, Innsbruck, Inn valley, North Tyrol, Tyrol, Austria

Calcite

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