5248 Diopside, Mogok, Myanmar (Burma) September 29, 2019 Steve Asia Myanmar (Burma) 1 ct Faceted stone
Canada North and Central Americas 0334 Vesuvianite, Diopside, Jeffrey Mine (Jeffrey Quarry; Johns-Manville Mine), Asbestos, Les Sources RCM, Estrie, Quebec, Canada September 19, 2019
Canada North and Central Americas 1440 Diopside, Calcite, Yates Uranium Mine, ‘Thorianite Pits’, near Otter Lake, Quebec, Canada September 22, 2019
Canada North and Central Americas 10002 Diopside, North Burgess, Drummond Township, Lanark Co., Ontario, Canada October 5, 2019
Australasia Australia Tasmania 30047 Pyrrhotite, Andradite-Uvarovite, Calcite, Diopside, Avebury Nickel Deposit (Avebury mine), Zeehan district, West Coast municipality, Tasmania October 8, 2019
