4025 Siderite, Calcite, Hematite, South Pit, Savage River Mine, Tasmania December 14, 2021 Steve Australasia Australia Tasmania Collected 5/2005. A single calcite crystal on lustrous siderite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Australasia Australia Victoria 8132 Pseudobrookite, Hematite, Calcite, Mount Shadwell, Mortlake, Moyne Shire, Victoria October 5, 2019
North and Central Americas South Dakota United States ncat JP760, Apatite, Siderite, Quartz, Helen Beryl Mine (Sweepstakes Beryl; Big Tom claim; Kem claim), Fourmile, Custer District, Custer Co., South Dakota, USA September 23, 2019
Australasia Australia Victoria 1424 Calcite (Eye Agate), Kitty Millers Bay, Phillip Island, Victoria September 22, 2019