ncat RG Goethite, Calcite, Biggenden Mine, North Burnett Region, Queensland September 8, 2023 Steve Australasia Australia Queensland Bladed goethite on white calcite crystals that are not fluorescent, however the underlying massive calcite is. Ex Margaret Brown Collection. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Australasia Australia Victoria ncat JP360 Chabazite-K, Calcite, Tylden quarry, Tylden, Macedon Ranges Shire, Victoria September 23, 2019
England North Yorkshire United Kingdom ncat JP1924 Smithsonite after Calcite, Coldstones Quarry, Greenhow, Pateley Bridge District, North Pennines, North Yorkshire, England, UK October 8, 2019
Iowa North and Central Americas United States 1455 Pyrite, Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA March 23, 2018
Australasia Australia Tasmania 1510 Calcite(?) on Dolomite(?), Magnet Mine, Waratah, Tasmania September 22, 2019