ncat RAM4 Calcite, Siderite, Biggenden Mine, Mount Biggenden, North Burnett Region, Queensland December 29, 2023 Steve Australasia Australia Queensland Multiple generations of calcite with siderite, and some of the calcite fluoresces strongly red. One habit is white “Christmas trees”. Width of view 5.5mm. Stack of 28 images. Click on the image below for a higher resolution version.
Australasia Australia New South Wales 7307 JL3176 Calcite, Jenolan Caves, Westmoreland Co., New South Wales December 24, 2020
Australasia Australia Queensland ncat VHD15 Calcite, Chalcopyrite, Fluorite, Barite, Pyrite, Ernest Henry Mine, Cloncurry, Queensland May 14, 2023
Cyprus Europe ncat JP1831 Analcime, Calcite, Troodos mountain range, Nicosia District (Lefkosa District; Lefkosia District), Cyprus October 11, 2019
Co. Antrim Northern Ireland United Kingdom 0643 Gmelinite, Calcite, Natrolite, Magheramorne Quarry, near Glenarm, Co. Antrim, Northern Ireland September 20, 2019