ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019 Steve Arizona North and Central Americas United States Click for full sized image…
Australasia Australia Tasmania 4299 Calcite, Fieldwicks Quarry, Lottah Road, Weldborough Pass, Tasmania October 4, 2019
Arkansas North and Central Americas United States 5627 Aegirine, Calcite, Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry), Magnet Cove, Hot Spring Co., Arkansas, USA October 5, 2019
England Somerset United Kingdom 4112 Calcite, Clevedon Beach, Somerset (Avon), England October 4, 2019
