Massive goethite with a fibrous look on the edge, with a glassy surface. In this are some orange/brown rings with a blue tint. Collected by Mike Reinke downstream from Palomas Gap. Width of view 6.5mm. Stack of 20 images (first photo), 45 images (sceond photo) and 100 images (third photo). The second photo shows that the rings are created by a previous oxidised surface.
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