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Bornite

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PDM581004

Bornite

Ex. University of Liege (Belgium).
Classic Locality

Description Tabs

Description
Locality: 
Tincroft Mine, Pool, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.6 × 7 × 3.5 cm
Description

Well defined, iridescent metallic crystals of bornite richly covering the cavities of a massive bornite block. A superb Cornish Classic, well catalogued, number 3893 from the collection of the University of Liege (Belgium).

It comes with three old original labels: (1) is from the Comptoir Minéralogique et Géologique Suisse, (2) is from the University of Liege, specimen #3893. The third label (#B465) is from the Jozef Cosemans collection (Ex. Chief Metalurgist at the Zinc smelter of Vieille-Montagne in Balen (BE).

Mineral Data
What's on the rock

Bornite

Formula: 
Cu5FeS4
Strunz: 
2.BA.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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