ncat SE Calcite, Red Cloud copper mine, Gallinas Mountains, Red Cloud District, Lincoln County, New Mexico, USA January 19, 2025 Steve New Mexico North and Central Americas United States Colourless calcite crystals with a rounded habit in a matrix with fluorite, mottramite, and other things. Ex Scott Braley. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version. Stacked from 40 images. Method=B (R=8,S=3)
Iowa North and Central Americas United States ncat JP654, Calcite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019
Australasia Australia South Australia ncat MAR03 Hausmannite, Calcite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia March 2, 2024
Australasia Australia Queensland 0783 Calcite, Agate Creek, Etheridge Shire, Queensland September 20, 2019