owl  

ATHENA

MINERALOGY

mlevy

Mineral: PREISWERKITE
Formula: NaMg2AlAl2Si2O10(OH)2
Crystal System: Monoclinic
Group: Mica group. True micas. Trioctahedral
IMA Number: 1979-008
References: AM 65 (1980), 1134; HB2/2 (1995); CM 36 (1998), 905
Type Locality: Geisspfad, Binntal, Valais (Wallis), Switzerland

mlevy

[Mineral Search]     [Abbreviations]     [Pictures]     [Athena]

mlevy

Send comments on page to mail pp

Copyright © 1986, 1994, 2023 ATHENA - Pierre Perroud. All Rights Reserved.