4628 Dioptase, Kaokoveld Plateau, Kunene Region, Namibia October 5, 2019 Steve Africa Namibia Cluster of emerald-green crystals Click for full sized image…
Arizona North and Central Americas United States 0798 Dioptase, Table Mountain, Arizona, USA September 20, 2019
Arizona North and Central Americas United States 0824 Dioptase, Table Mountain, Arizona, USA September 20, 2019
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019
