Calcite from Madan ore field, Smolyan Province, Bulgaria
An unusual specimen of what looks like scalenohedral calcite but is made up of small thin platy crystals stacked together. It is attached to shiny skeletal galena with mirror luster.
A collector's guide to Madan ore field, Bulgaria: its geology, mining history and notable minerals, illustrated with the 224 specimens documented from this locality on EarthWonders.
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