4946 Fluorite, Barite, Quartz, Smithsonite, Fall Hill Quarry, Milltown, Ashover, Derbyshire, England, UK December 3, 2021 Steve Derbyshire England United Kingdom Tiny smithsonite crystals on interpenetrant fluorite and bladed barite crystals, on quartz. Acquired from Philip Grounds, Bay Minerals, in 2012. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Arizona North and Central Americas United States 2880 Gold, Quartz, Turkey Track Mine, Union Hills, Maricopa Co., Arizona, USA October 3, 2019
Australasia Australia Tasmania ncat VHD7, Fluorite, Siderite, Mount Bischoff, Waratah, Tasmania November 17, 2019