4649 Goethite after pyrite, Mill Lane Farms, Valley Store, East Whiteland Township, Chester Co., Pennsylvania, USA October 5, 2019 Pendleton North and Central Americas Pennsylvania United States Single crystal pseudomorph of goethite after pyrite.
Dorset England United Kingdom 1250 Gypsum, Chickerell Brick Pit, Weymouth, Dorset, England September 22, 2019
