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Cooperite Irarsite Hollingworthite & Isoferroplatinum

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ESM550021

Cooperite Irarsite Hollingworthite & Isoferroplatinum

Description Tabs

Description
Locality: 
Aluchinskii Massif, Baimka River, Bol'shoi Anyui Basin, Kolyma, Chukotka, Russian Federation
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
0.8 × 1.1 × 1.1 cm
Description

Polished section of cooperite, irarsite, hollingworthite, isoferroplatinum (documentation Prof. Rudashesvsky, SEM)

Mineral Data
What's on the rock

Cooperite

Formula: 
PtS
Strunz: 
2.CC.35b
Hardness: 
4.0 - 5.0
Type Locality: 
Rustenburg Town & Townlands Mine, Rustenburg (Rustenburg District), Western Bushveld Complex, Bojanala Platinum District, North West Province, South Africa

Irarsite

Formula: 
(Ir,Ru,Rh,Pt)AsS
Strunz: 
2.EB.25
Hardness: 
6.5
Type Locality: 
Onverwacht Mine, Lydenburg, Eastern Bushveld Complex, Mpumalanga Province, South Africa

Hollingworthite

Formula: 
(Rh,Pt,Pd)AsS
Strunz: 
2.EB.25
Hardness: 
6.0 - 6.5
Colour: 
Grey
Type Locality: 
Driekop mine, Sekhukhuneland, Burgersfort, Bushveld Complex, Limpopo Province, South Africa

Isoferroplatinum

Formula: 
Pt3Fe
Strunz: 
1.AG.35
Crystal System: 
Isometric
Hardness: 
5.0
Type Locality: 
Placer Deposits, Tulameen River, Similkameen Mining Division, British Columbia, Canada