2814 Calcite, Barite, Heulandite, Red Bluff, Phillip Island, Bass Coast Shire, Victoria April 7, 2024 Steve Australasia Australia Victoria Red-fluorescing calcite crystals with minor heulandite (pictured) and barite. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
California North and Central Americas United States ncat JP1024, Cinnabar, Calcite, Great Eastern and Mount Jackson Mine (Sonoma Mine; Sonoma Quicksilver Mines; Guerneville Mine; Great Eastern Mine; Mount Jackson Mine), Guerneville, Guerneville District, Coast Range, Sonoma Co., California, USA September 23, 2019
Australasia Australia Queensland ncat RAM4 Calcite, Siderite, Biggenden Mine, Mount Biggenden, North Burnett Region, Queensland December 29, 2023
Canada North and Central Americas ncat JP2027 Barite, Francon quarry, Montreal, Quebec, Canada October 11, 2019