A dense carpet of large black Tetrahedrite crystals entirely covers the surface of this specimen.
A few small brown Pyrite crystals peek through here and there.
Numerous small colored by brownish oxides Calcite crystals,, scatter over the tetrahedrites.
The base is sawn.
Specimen weight:400 gr.
Crystal size:mm. 10
Overall size: 105mm x 80 mm x 38 mm
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