6074 Whitmoreite, Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA October 2, 2019 Steve North and Central Americas South Dakota United States Vintage micromount.
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
New Hampshire North and Central Americas United States 4533 Whitmoreite, Vivianite, Palermo #1 Mine, North Groton, Grafton Co., New Hampshire, USA October 5, 2019
New Hampshire North and Central Americas United States 3484 Whitmoreite, Jahnsite, Palermo #1 Mine, North Groton, Grafton Co., New Hampshire, USA October 3, 2019
New Hampshire North and Central Americas United States 4633 Whitmoreite, Strunzite, Rockbridgeite, Siderite, Palermo No. 1 Mine, Groton, Grafton Co., New Hampshire, USA October 5, 2019
