Iridescent stannite, no crystals. Ex David J. Eicher Collection, Wisconsin. Ex John H. Eicher Collection. Width of view 5.5mm. Stack of 40 images.
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Iridescent stannite, no crystals. Ex David J. Eicher Collection, Wisconsin. Ex John H. Eicher Collection. Width of view 5.5mm. Stack of 40 images.
Click on the image below for a higher resolution version.