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Gold: Au Silver: Ag
Comments: Very well crystallized Electrum (Silver rich gold) on quartz. The analysis gave 31.47% silver.
Location: Verespatak (now Rosia Montana), Transylvania, Romania.
Scale: 2.8 x 3.4 cm.
© Fabre Minerals
Comments: Well crystallized bright metallic gold specimen.
Location: Red Ledge mine, Nevada Co., California.
Scale: 3.5 x 6 cm in size.
© Dan Weinrich
Gold: Au Isomertieite: Pd11Sb2As2 Arsenopalladinite: Pd8(As,Sb)3 Bornite: Cu5FeS4
Comments: Light grayish grain of intimately intergrown isomertieite and arsenopalladinite (in the center of the picture), with pale yellow gold and brownish to violet bornite. Polished section (from microprobe analysis) in reflected light.
Location: Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia.
Scale: Picture size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag
Gold: Au Petzite: Ag3AuTe2
Comments: Dark, stubby petzite crystals with native gold on quartz.
Location: Rosia Montana (Verespatak), Transylvania, Romania.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Comments: Two skeletal octahedral crystals of gold. Stereo pair images..
Location: Berezovsk Mine, Russia.
Scale: Crystal size 1.1 cm.
© John Veevaert
Gold: Au Rucklidgeite: (Bi,Pb)3Te4
Comments: Polished section (PPL) image of sphalerite(sph)-chalcopyrite ore associated with hessite (he), rucklidgeite (rk), pyrite (py) and native gold (Au).
Location: Level 1070 m., Massive sulphide deposits of the Hanson-Flin Flon-Snow Lake, Manitoba, Saskatchewan, Canada.
Scale: Picture Size 0,12 mm.
© National Resouces of Canada