TU-Emblem Technische Universität Berlin
Mineralogical Collections
Dr. Susanne Herting-Agthe, Sekr. BH 1, Ernst-Reuter-Platz 1, D-10587 Berlin, Germany
tel ++49 (0)30 - 314 22254, fax 314 72218
 

 
                                                Pyrite, striated cubes
 
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Pyrite, Huanzala, Peru
foto: Monika Günther
Pyrite
FeS2    isometric - diploidal, m3
cubic crystals typically striated, due to oscillatory combination of cubes {100} and pyritohedrons {210}.
Huanzala, Peru.
cube edges: up to 5,5 cm. Inv.No. 86/33.

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crystal drawing, Pyrite, combination of cube and pyritohedroncrystal drawing, Pyrite, oscillatory combination of cube and pyritohedron

Pyrite
crystal drawings:
left: combination of striated cube {100} with pyritohedron {210}
right: oscillatory combination of the forms {100} and {210}
 

last version: Okt. 2009