Chalcopyrite, Bornite, Galena, Talc, Aragonite (Var: Strontium-bearing Aragonite)

Specimen ID: YNA-KXY

Mineral(s)
Chalcopyrite : CuFeS2
Bornite : Cu5FeS4
Galena : PbS
Talc : Mg3Si4O10(OH)2
Locality
As recorded:
Ust'-Biraya, Biraya Fe-REE ore occurrence, Biraya and Bya Rivers confluence area, Vitim Plateau, Irkutsk Oblast, Russia
Mindat locality:
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Photo added to mindat.org

Small grain of golden-yellow Chalcopyrite with microscopic bluish Galena cube inside of it and surrounded by purple Bornite spurs. Surrounding carbonate matrix is Aragonite-Strontianite intermediate member (Ca0.5Sr0.5)[CO3]. Above and below are two plates of greenish with waxy lustre Talk. Selfcollected in August of 2004 on Cordilitovaya vein. Pavel M. Kartashov analytical confirmation, collection and photo.
Pavel Kartashov - 13th September 2017
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