An excellent specimen with lustrous, sharp, euhedral gersdorffite crystals up to 1,5 cm wide. It's covered by several dark grey crystals , that are partially intergrowth together. The green annbergite in association gives a nice contrast. From the famous 2013 find.
Formula :
NiAsS
System: cubic,orthorhombic Hardness:5½ Rarity:not common
Strunz id:II/D.18-20 -
SULFIDES
Name origin: Named after Herr von Gersdorff, owner of Schladming Mine, Austria (ca 1842)
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 Specimen weight:500 gr.
 Crystal size:Up to 1,5 cm
 Overall size: 85mm x 60 mm x 50 mm
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