5689 Calcite, Chabazite, Mn Oxide, Aranga Quarry (Stone’s Quarry; Hood Road Quarry), Aranga, Kaipara District, Northland Region, North Island, New Zealand July 12, 2020 Steve Australasia New Zealand Black manganese oxides on curved white calcite crystals and colourless pseudocubic chabazite crystals. Width 11mm. Stack of 100 images.
Australasia Australia New South Wales ncat VHD4, Calcite, Pyrite, Broken Hill, New South Wales September 7, 2021
Australasia Australia Victoria ncat JP3340 Magnetite, Calcite, Pseudobrookite, Mount Shadwell, Mortlake, Moyne Shire, Victoria September 23, 2019
Connecticut North and Central Americas United States 1627 Datolite, Calcite, Roncari Quarry, East Glastonbury, Connecticut, USA September 22, 2019
Australasia Australia New South Wales ncat YB Calcite, Clunes, Northern Rivers District, New South Wales November 29, 2021