Shadlunite

shadlunite

cubanite

talnakhite

manganoshadlunite

Images

Formula: (Fe,Cu)8(Pb,Cd)S8
Sulphide, pentlandite group, pentlandite supergroup, cadmium-bearing mineral
Crystal System: Isometric
Specific gravity: 4.72 calculated
Hardness: 4
Streak: Light greyish yellow
Colour: Yellow-grey
Environments

Hydrothermal environments

Shadlunite occurs as tiny grains and veinlets cutting copper-nickel sulphide ores. Associated minerals include manganoshadlunite, cubanite and talnakhite (HOM).

Localities

At the type locality, the Mayak Mine, Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia, shadlunite occurs as irregular grains, hundredths of a mm to 0.4 mm in size and as veinlets less than 0.1 mm, mostly in cubanite, also in talnakhite ores. Associated minerals include talnakhite, manganoshadlunite and cubanite (Mindat).
Shadlunite from the Mayak Mine - Image

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