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Bereznyakovskoe Au deposit, Pervomayskiy, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia

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Multiple photos availableMawsonite : Cu6Fe2SnS8, Tennantite : (Cu,Ag,Fe,Zn)12As4S13, Pyrite : FeS2

Bereznyakovskoe Au deposit, Pervomayskiy, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia

Eutectoid grains of orange-brown mawsonite into grey tennantite matrix (white is pyrite crystals). Polished section, reflected light. FOV is ~0.5x0.4 mm. Olga Yu. Plotinskaya photo and specimen.
 © Olga Yu. PlotinskayaPhoto ID: 111139    View Count: 249

Mawsonite : Cu6Fe2SnS8, Tennantite : (Cu,Ag,Fe,Zn)12As4S13, Chalcopyrite : CuFeS2, Digenite : Cu9S5, Pyrite : FeS2

Bereznyakovskoe Au deposit, Pervomayskiy, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia

Veinlet of grey tennantite with orange-brown mawsonite, yellow chalcopyrite and bluish digenite grains between large zonal pyrite crystals. Polished section, reflected light. FOV is ~1x0.8 mm. Photo of Olga Yu. Plotinskaya, Pavel M. Kartashov collection.
 © Pavel M. KartashovPhoto ID: 111138    View Count: 126

Mawsonite : Cu6Fe2SnS8, Tennantite : (Cu,Ag,Fe,Zn)12As4S13, Pyrite : FeS2

Bereznyakovskoe Au deposit, Pervomayskiy, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia

Orange-brown mawsonite grains into grey tennantite. Associating minerals are white pyrite crystals and dark-grey quartz. Polished section, reflected light. FOV is ~1x0.7 mm. Photo of O. Plotinskaya, Pavel M. Kartashov collection.
 © Pavel M. KartashovPhoto ID: 110962    View Count: 113
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