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
 

 
    Muscovite
 
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Muskovit
  foto: Monika Günther
Muskovite   (light mica)
KAl2[(OH,F)2 I AlSi3O10]      monoklinic prismatic, 2/m
Rosette-shaped aggaregate of free grown crystals, tabular on the basis {001}.
José Pinto Mine, Governador Valadares, Minas Gerais, Brazil.
Hight of the aggregate: 4,5 cm.   Inv.No. 90/68.

 
Kristallzeichnung Muskovit, nach {001} tafliger KristallKristallzeichnung Muskovit, rosettenartiges Kristallaggregat

Muscovite, crystal drawings:
left: single crystal, tabular on the basis {001}, standard setting
right: rosette-shaped aggregates of such tabular crystals

last version: oct 2009