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Fluorite Chalcopyrite & Calcite

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PCZ799221

Fluorite Chalcopyrite & Calcite

Ex Peter Uerpmann Collection, Ex Gebhard

Description Tabs

Description
Locality: 
San Antonio Mine, Sombrerete, Sombrerete Municipality, Zacatecas, Mexico
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4.7 × 2.3 cm
Description

One from my own specialised mexican collection. Violet/blue gemmy dodecahedrally formed fluorite crystals with stacked calcite and attractively scattered chalcopyrite crystals. The clarity of the fluorite is high with underlying chalcopyrite crystals clearly seen. An attractive display.

 

Matrix: 
Quartz/Fluorite
Minor: 
Quartz
Boxed with Label
Condition
Main Display: 
Excellent - locality specimen
Main Display: 
Excellent - some peripheral damage
Lustre: 
Soft
Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Calcite

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

Peter Uerpmann Collection

Fri, 2016-09-30 19:31 -- admin
Some History
Dates: 
1970s- 
2002
Type: 
Collector/Collection
Specialisms: 
Aesthetics, Germany, Tsumeb
About

Peter Uerpmann originally studied mining at Clausthal University of Technology and then followed a career in the German/European Nuclear...

Georg Gebhard

Some History
Name: 
Dr Georg Gebhard
Dates: 
Present
Type: 
Collector/Collection
Mineralogist
Specialisms: 
Tsumeb
About

Temporary text.

German mineralogist, collector and dealer - well known for articles and supplements plus his books on Tsumeb,...

Peter Crozier Minerals