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Gypsum With Calcite

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PCZ709387

Gypsum With Calcite

Ex Pearl Freeman Collection

Description Tabs

Description
Locality: 
Khoukhet Mine, Khénifra Province, Béni Mellal-Khénifra Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 4.5 × 2.8 cm
Description

A super little specimen with two clear terminated selenite crystals aesthetically set at right angles to each other and contrasting nicely with the matrix.

Collected in the 1990's.

Condition
General: 
Good - locality specimen
Main Display: 
Excellent
Lustre: 
Satin to bright
Mineral Data
What's on the rock

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Calcite

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

Pearl Freeman Collection

Wed, 2015-07-22 22:52 -- admin
Some History
Dates: 
Post War- 
2011
Type: 
Collector/Collection
Specialisms: 
Baryte, United Kingdom, Peru, Sulphides
About

Pearl and her husband Sid were enthusiastic mineral collectors for several decades; Pearl was also long time treasurer of the British...

Peter Crozier Minerals