5248 Diopside, Mogok, Myanmar (Burma) September 29, 2019 Steve Asia Myanmar (Burma) 1 ct Faceted stone
California North and Central Americas United States 1317 Andradite, Diopside, Actinolite, Perovskite, Junilla Claim, about a half mile from the Benitoite Gem Mine and the Chlorite Schist Knob, Dallas Gem Mine Area, San Benito Co, California, USA September 22, 2019
Canada North and Central Americas 10002 Diopside, North Burgess, Drummond Township, Lanark Co., Ontario, Canada October 5, 2019
Austria Europe 4806 Epidote, Diopside, Sollnkar, Krimmler Ache valley, Hohe Tauern, Salzburg, Austria October 5, 2019
Australasia Australia Victoria ncat JP3072 Nepheline, Fluorapatite, Diopside, Cosgrove quarry, Cosgrove, City of Greater Shepparton, Victoria September 23, 2019