A big grey blade of lead is stunning over the matrix of this specimen
It's partially peeled off from the matrix.
The lead is an uncommon native element, it's difficult to find it as pure and not associated with some other elements.
Over the matrix there are traces of willemite, that becomes red with UV short waves light.
From a classic swedish mine !
 Specimen weight:120 gr.
 Crystal size:mm. 21
 Overall size: 80mm x 25 mm x 32 mm
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