Some fans made by long and dark grey colored crystals of Cylindrite up to 2,0 cm long are spread all over the surface of this specimen from the type locality.
This is one of the uncommon cylindric shape in the crystallization of the minerals.
Formula :
Pb3Sn4Sb2FeS14
System: triclinic Hardness:2½ Rarity:rare
Strunz id:II/C.17-80 -
SULFIDES
Name origin: From the Greek a roll, in allusion to the cylindrical form of the aggregation.
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 Specimen weight:197 gr.
 Crystal size:Uo to 2,0 cm
 Overall size: 55mm x 40 mm x 57 mm
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