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Locality: Ontonagon, Michigan (USA)
Size: 3 cm x 2 cm x 1.5 cm
Description: Copper is one of the most famous and useful metals and has been important since ancient civilizations for ornaments and coinage.
This sample is a sculptural and aesthetic copper-red specimen from Michigan (USA). A small area of the specimen is oxidized to CuO (green powder).
Concept & 3D-modelling by dr. Andrei Ionut APOPEI