ncat JR9 Analcime, Calcite, Middlehurst Station, Marlborough Region, New Zealand February 23, 2025 Steve Australasia New Zealand Ragged white calcite on red-white analcime crystals. The calcite fluoresces bright white. Ex Judy Rowe Collection. Width of view 6mm. Stack of 90 images. Click on the image below for a higher resolution version. Stacked from 90 images. Method=B (R=8,S=3)
Arizona North and Central Americas United States 7117 JL283, Carnotite, Calcite, Anderson Mine (Date Creek project; U-V Mine; Uranium-Air Mine), Date Creek Basin, Yavapai Co., Arizona, USA September 23, 2019
North and Central Americas Tennessee United States ncat RAM4 1295 Calcite, Pyrite, Gray Quarry, Gray, Sullivan Co., Tennessee, USA December 31, 2023