ncat OW310 Goethite after Hematite, Darke Peak, South Australia September 8, 2023 Steve Australasia Australia South Australia Trigonal hematite crystals that have been completely replaced by goethite, with minor colourless hyalite opal. Ex Barry Schubert Collection. Width of view 8.63mm. Stack of 45 images. Click on the image below for a higher resolution version.
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