ncat Amethyst, Artigas, Uruguay August 26, 2022 Steve South America Uruguay A fairly large (for me) amethyst specimen with a couple of yellowish calcite crystals from Artigas, Uruguay. The specimen measures about 185mm wide.
New Jersey North and Central Americas United States 30041 Quartz, Calcite, Permafrost Pocket 2015, Upper New Street Quarry, Paterson, Passaic Co., New Jersey, USA October 5, 2019
Africa South Africa ncat JP1867 Magnetite, Calcite, Unidentified Green Mineral, Palabora Mine, Phalaborwa, Ba-Phalaborwa Local Municipality, Mopani District Municipality, Limpopo, South Africa March 27, 2024
Australasia Australia Tasmania 2972 Calcite, Quartz, Weber Falls, Scamander, Tasmania October 3, 2019
New Mexico North and Central Americas United States 2914 Calcite, Fluorite, Nakaye mine (Alamo mine), Derry District, Sierra County, New Mexico, USA April 18, 2023