Co. Antrim Northern Ireland United Kingdom 3831 Heulandite, Erionite, Dunseverick, Co. Antrim, Northern Ireland October 3, 2019
Nebraska North and Central Americas United States 4234 Quartz after Gypsum, Crawford, Dawes Co., Nebraska, USA October 4, 2019
Australasia Australia New South Wales 4444 Heulandite, Portobello Station, New South Wales October 5, 2019
North and Central Americas United States Utah 5589 Bayleyite, Calcite, Gypsum, Hideout Mine (Hideout No. 1 Mine), Deer Flat, White Canyon, White Canyon District, San Juan Co., Utah, USA May 24, 2024
