5691 Calcite, Mount Franklin, Hepburn Shire, Victoria July 16, 2020 Steve Australasia Australia Victoria White agate-patterned calcite filling small vesicles in basalt. Width 5.5mm. Stack of 50 images. Collected 16/7/2020.
Iowa North and Central Americas United States 1455 Pyrite, Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA March 23, 2018
Australasia Australia Victoria 0668 Phillipsite-Na, Ferroan Calcite, Bundoora, Victoria November 25, 2018