8131 Gold, Mount Cobalt Mine, Selwyn District, Mount Isa – Cloncurry area, Queensland October 3, 2023 Steve Australasia Australia Queensland A tiny bit of gold in matrix (centre of image). Ex Bernie and Margaret Day Collection. Width of view 3.5mm. Stack of 20 images. Click on the image below for a higher resolution version.
Arizona North and Central Americas United States ncat VHD10, Wulfenite, Vanadinite, Malachite, Linarite, Gold, Quartz, Mildren-Steppe Mine, Golden Cross Claim, Pima Co., Arizona. USA November 17, 2019
Arizona North and Central Americas United States 1224 Gold, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA September 22, 2019