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Mineralogical Collections
Dr.Susanne Herting-Agthe, Sekr. BH 1, Ernst-Reuter-Platz 1
D-10587 Berlin, tel ++49 (0)30 - 314 22254, fax 314 21124
 

 
    Galenite
 
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Galenite twin, Neudorf, Harz mountains, Germany
  Photo: Monika Günther
Galenite 
PbS    cubic - hex'octahedral, m-3m
twin on {111}; combination: cube {100} +  octahedron  {111} + rhombododecahedron {110},
upon Sidrite (brown) and Quartz (white).
Neudorf, Harz mountains, Germany.
Width of the twin: 2cm. Inv.No. 221.

 
crystal drawing of Galenite/Neudorf   crystal drawing of a Galenite twin
Galenite
crystal drawings
left: single crystal, combination of cube {100}, with octahedron {111} and dodecahedron {110}; standard setting
right: twin on {111}; slightly turned, twin individual slightly distorted and shifted
 

last version: 2004-08-16