ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK March 29, 2025 Steve North Ayrshire Scotland United Kingdom Colourless calcite crystals with a ball of prehnite (not in photo) and a pinwheel prehnite (bottom right of photo). Ex Jo Price Collection. Width of view 6mm. Stack of 60 images. Click on the image below for a higher resolution version. Stacked from 60 images. Method=B (R=8,S=4)
Australasia Australia Victoria ncat JP421 Calcite, Gonnardite/Natrolite, Old Melbourne Quarries, Victoria September 23, 2019
Canada North and Central Americas 30089 Fluorapatite, Calcite, Liscombe Deposit, Monmouth Township, Haliburton County, Ontario, Canada April 29, 2020
Illinois North and Central Americas United States 20038 Calcite, Pyrite, Marcasite, Conco Mine, North Aurora, Kane Co., Illinois, USA October 27, 2019