30059 Libethenite, Burra Mine, Burra, North Mt Lofty Ranges, South Australia, Australia April 21, 2020 Pendleton Australasia Australia South Australia Ex Barry Johnson Collection. Video best viewed full screen.
North and Central Americas South Dakota United States ncat JP339, Whitmoreite, Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA September 23, 2019
Australasia Australia Victoria ncat JP308 Calcite, Tylden quarry, Tylden, Macedon Ranges Shire, Victoria September 23, 2019
Michigan North and Central Americas United States ncat JP804, Copper, Calcite, Copper Falls Mine, Copper Falls, Keweenaw Co., Michigan, USA September 23, 2019
