6142 EFFENBERGITE, Wessels Mine, Hotazel, Kalahari Manganese Fields, Northern Cape Province, South Africa September 28, 2019 Steve Africa South Africa Source M.Richards, 2005
Australasia Australia Queensland 3588 QUARTZ var. Agate, Thunderbird Park, Tambourine Mtns., Queensland, Australia September 28, 2019
Nevada North & Central Americas United States 4719 LIPSCOMBITE, Silver Coin Mine, Valmy, Humboldt County, Nevada, U.S.A. September 28, 2019
Czech Republic Europe 5651 EFREMOVITE, Kladno Mine, Kladno, Central Bohemia Region, Bohemia, Czech Republic September 28, 2019
