5383 Calcite, Shimen Co., Changde Prefecture, Hunan Province, China May 2, 2020 Steve Asia China Butterfly twin. Pink fluorescence. Video best viewed full screen.
Australasia Australia Victoria 2780 Calcite (Eye Agate – Agate-Patterned Calcite), Kitty Miller Bay, Phillip Island, Victoria October 3, 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
Arizona North and Central Americas United States ncat JP1586, Calcite, Phelps Dodge Corporation Well No. 1, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA September 23, 2019
