40019 RH1154 Siderite, Armytage Quarry, Armytage, Surf Coast Shire, Victoria January 19, 2021 Steve Australasia Australia Victoria Zoned hemispheres of siderite possibly grading into ferroan calcite. Ex Dick Haslam Collection. Width of view 3.5mm. Stack of 70 images. Click on image below for a higher resolution version.
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