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Greenockite & Hawleyite

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SKY578570

Greenockite & Hawleyite

New Discovery

Description Tabs

Description
Locality: 
Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1 × 0.8 cm
Description

Outstanding sharp dark orange-red greenockite crystals associated to yellow-orange minoritary hawleyite, the dimorph of greenockite.

What is exceptional of this specimen is that both dimorphs of CdS are in the same specimen

New discovery from a Bolivian locality.

Mineral Data
What's on the rock

Greenockite

Formula: 
CdS
Strunz: 
2.CB.45
Hardness: 
3.0 - 3.5
Type Locality: 
Bishopton tunnel, Bishopton, Strathclyde (Renfrewshire), Scotland, UK

Hawleyite

Formula: 
CdS
Strunz: 
2.CB.05a
Hardness: 
2.5 - 3.0
Type Locality: 
Hector-Calumet mine (Calumet mine - Hector mine), Calumet, Galena Hill, Mayo Mining District, Yukon Territory, Canada

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