ncat RW239 Calcite, Wallaroo Mine, Kadina, Yorke Peninsula, South Australia November 29, 2021 Steve Australasia Australia South Australia Transparent colourless prismatic calcite crystals with chlorite(?) inclusion. Ex Ron Wallace collection. Width of view 13mm. Stack of 20 images. Click on the image below for a higher resolution version.
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019
Australasia Australia New South Wales ncat YB Calcite, Clunes, Northern Rivers District, New South Wales November 29, 2021
Australasia Australia Tasmania 3846 Calcite, Analcime, Gmelinite, Weldborough, Tasmania October 3, 2019