Set of 4 minerals on cubes: cubic Pyrite on matrix, optical Calcite, Chalcopyrite, Dodecahedral Pyrite.
MINERAL
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Brazilian agate slice (490g.) on a brass base
Agate slice from Brazil ( 560gr) on brass base
Menilite Opal from Agramon (Spain) in matrix
Polished labradorite from Madagascar (3.7kg)