Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Heyrovskyite: Pb10AgBi5S18
Comments: Metallic, gray heyrovskyite in quartz. Location: Hûrky u Cistá, Velká Chmelistná (Großmeleschen), Rakovnik, Stredoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag