7149 Sideronatrite and Coal, Zollverein Mine, Essen, Ruhr Coal Mining area, North Rhine-Westphalia, Germany October 5, 2019 Steve Europe Germany ex Joan Lamond Collection
North and Central Americas United States Utah 5605 Krohnkite, Sideronatrite, Blue Lizard Mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA October 5, 2019
North and Central Americas United States Utah 5608 Tamarugite, Sideronatrite, Blue Lizard Mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA October 5, 2019
North and Central Americas United States Utah 4990 Sideronatrite on Asphaltum, Blue Lizard Mine, Utah March 24, 2018
North and Central Americas United States Utah 5592 Sideronatrite, Metavoltine, Blue Lizard Mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA October 5, 2019
