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7CA-40UChalcocite Cu2S , Quartz SiO2 , Epidote (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Sunnerskog Mine, Alseda, Vetlanda, Jönköping County, SwedenDimensions: 40 mm x 25 mm x 25 mm
Chalcocite (identification based on appearance and hardness, streak) is in a quartz and epidote matrix.
total Size is approx:
40 x 25 x 25 mm