Bladed goethite on white calcite crystals that are not fluorescent, however the underlying massive calcite is. Ex Margaret Brown Collection. Width of view 5.75mm. Stack of 40 images.
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Bladed goethite on white calcite crystals that are not fluorescent, however the underlying massive calcite is. Ex Margaret Brown Collection. Width of view 5.75mm. Stack of 40 images.
Click on the image below for a higher resolution version.