5719 Goethite replacing Pyrite, Stellerite, Calcite, Lake Cooper quarry, Corop, Campaspe Shire, Victoria November 27, 2020 Steve Australasia Australia Victoria Interpenetrant slightly rounded pyrite cubes, some with truncated corners, altering to brown goethite with prismatic colourless striated prismatic stellerite crystals and minor white calcite crystals. Width of view 3.5mm. Stack of 50 images.
Cornwall England United Kingdom 3802 Bismite, Bismuthinite, Cassiterite, Calcite, Quartz, Wheal Edward, St. Just, Cornwall, England October 3, 2019
Australasia Australia Tasmania ncat JP814 Calcite, Stilbite, Giblin Street Quarry, Lenah Valley, Hobart City, Tasmania September 23, 2019
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019