Nordströmite

nordstromite

wittite

friedrichite

neyite

Images

Formula: Pb₃CuBi₇(S,Se)₁₄
Sulphosalt, bismuth- and selenium- bearing mineral
Crystal System: Monoclinic
Specific gravity: 7.12 calculated
Hardness: 2 to 2½
Colour: Lead-grey
Environments

Hydrothermal environments

Nordströmite is of hydrothermal origin (HOM).

Localities

At the type locality, the Falun mine, Falun, Dalarna County, Sweden, nordströmite is associated with wittite, friedrichite and bismuthinite (HOM).

At the Northeast flank of Johnny Lyon Hills, Yellowstone Mining District, Cochise County, Arizona, USA, nordströmite is associated with gold, chalcopyrite, neyite and quartz (HOM).

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