Goethite-after-Pyrite

specimen number:
9505312

location:
Matacana Mine, Gachala, Cundinamarca, Colombia

description:
Very impressive large twinned grouping of pyrite crystals starting to be replaced by brown goethite. As you can see the edges are extremely sharp and the piece in great condition. These are normally not found in such a large and fine crystals. Very slight micro-chipping on the bottom otherwise perfect. The luster is pretty good as well.

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