20042 Alabandite, Uchucchacua Mine, Oyon Province, Lima, Peru October 27, 2019 Steve Peru South America Sharp octahedral grey crystals of alabandite in a matrix of fluorite and calcite, both of which fluoresce (blue and pink respectively). Click for full sized image…
Australasia Australia South Australia ncat JP562 Calcite, Quartz, Mutooroo Mine, Pine Creek – Mutooroo area, Mingary, Olary Province, South Australia September 23, 2019
Australasia Australia Tasmania 2824 Calcite (Orange Botryoidal), Kara Mine, Hampshire, Tasmania October 3, 2019
Australasia Australia New South Wales ncat OW106 M46 Quartz, Calcite, Pyrite, Kutnohorite, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales November 25, 2024