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Pyrite with Calcite
Pyrite is not the most common mineral in the Panasqueira mines, but from time to time curious samples like this one have been found, formed by a group of very lustrous cubic crystals of Pyrite on a matrix of white Calcite which creates a nice contrast. In excellent condition.
Unknown Owner
Known provenance
2025/06
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Calcite
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