Several dark grey colored crystals of chalcocite are in good evidence all around this specimen: they have metallic reflections too.
Some of them have a perfect shape ... Specimen weight:315 gr. Crystal size:mm. 16 Overall size:80mm x 65 mm x 55 mm
Several long crystals of betechtinite are spread all over the surface of this cluster: they are covered by grey and partially iridescent crust of chalcocite.
Some crystals of chalcocite are ... Specimen weight:125 gr. Crystal size:mm. 4 Overall size:53mm x 56 mm x 18 mm
Chalcocite - Camborne, Redruth - St Day District, Cornwall, England, UK(#MINS7844)
A CLASSIC, OLD-TIME Cornwall specimen of dark gray Chalcocite hexagonal crystals to 3 mm richly set on on Matrix with Siderite in association. Specimen weight:52 gr. Crystal size:Up to 3 mm wide Overall size:35mm x 35 mm x 38 mm
Informazioni ai sensi Legge n° 88/2009 / informations due to Italian law n° 88/2009
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