Gray kashinite with darker gray
laurite.
Polished section (from microprobe analysis) in reflected light.
Origin: Nizhne-Tagil'skoye (Mednorudyanskoye) Cu Deposit, Nizhnii Tagil,
Sverdlovskaya Oblast', Urals Region, Russia
Picture size: 0.2 mm
Owner: Thomas Witzke
Photo courtesy of: