3867 Calcite, Analcime, Little Plains Quarry (Fieldwicks Quarry), Blue Tier district, Break O’Day municipality, Tasmania August 30, 2023 Steve Australasia Australia Tasmania This crystal is coloured by hematite. On colourless analcime. A nearby cavity has a colourless calcite crystal. Width of view 4.5mm. Stack of 90 images. Click on the image below for a higher resolution version.
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