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…
Mexico North and Central Americas 0025 Wulfenite, Calcite, Los Lamentos, Chihuahua, Mexico September 18, 2019
Mexico North and Central Americas 3932 Calcite, Level 16, Potosi Mine, Santa Eulalia, Chihuahua, Mexico October 3, 2019
Cumbria England United Kingdom 1307 Calcite, Winscales Mine, Egremont, Cumbria, England September 22, 2019
