Horokanai placer, Uryugawa, Uryu District, Kamikawa Subprefecture, Hokkaidō Prefecture, Japan
Grains found in a placer deposit, including gold and tin-white rutheniridosmine. 0.2 cm field of view. S357-35 Excalibur Mineral Company specimen.
© 2008, JGW
Scanning electron microscope image of tulameenite and rutheniridosmine in isoferroplatinum placer grain. P025 0.1 cm sample. Excalibur Mineral Company specimen.
Placer nuggets. S358-08 0.4 cm field of view. Excalibur Mineral specimen
Yamabe mine, Furano city, Kamikawa Subprefecture, Hokkaidō Prefecture, Japan
1.4cm thick cross-fibre vein of crocidolite asbestos, traversing a 6.5cm rock from the Yamabe asbestos mine.
© Alfredo Petrov
Gray metallic crystals of Rutheniridosmine Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4,0 Reversed Photo and Collecrion Giovanni Scapin
© 2022 Giovanni Scapin
Nunobe mine, Furano city, Kamikawa Subprefecture, Hokkaidō Prefecture, Japan
This cross-fiber vein section of Chrysotile is bordered by a thin margin of massive, dark green serpentine on each side. Personal collection of Sharon Cisneros.
© Eugene & Sharon Cisneros