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Sperrylite & Chalcopyrite

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MGR806550

Sperrylite & Chalcopyrite

Rare Mineral

Description Tabs

Description
Locality: 
Talnakh, Noril'sk, Putoran Plateau, Taimyr Peninsula, Krasnoyarsk Krai, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.3 × 1.7 cm
Description

A stunning, brilliantly lustrous sperrylite (10,3mm across) perched nicely in iridiscent chalkopyrite matrix! The crystal is exposed in the center, a further one (which is a little smaller) is set at the top of the piece. Material in this quality, with this crystal size is valued highly.

Mineral Data
What's on the rock

Sperrylite

Formula: 
PtAs2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 7.0
Colour: 
Tin-white
Type Locality: 
Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada

Chalcopyrite

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