A wonderful example of iridescent intergrown Pyrite with delightful colors along with epitaxial shiny black Sphalerite crystals and minor micro terminated Quartz crystals from the Madan ore field in Bulgaria.
Madan, in the Rhodope Mountains of Bulgaria, just north of the frontier with Greece, is an ancient ore-miners’ settlement. The history of mining in the Madan region extends back at least as far as the Thracians in the fifth century B.C. where the extraction of lead ore began.
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4 окт 2024
