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.
Highland Scotland United Kingdom ncat JP1946 Harmotome, Calcite, Whitesmith Mine, Strontian, Highland, Scotland, UK April 2, 2024
Africa South Africa 30061 Groutite, Calcite, Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa April 21, 2020