owl  

ATHENA

MINERALOGY

mlevy

Mineral:BRAUNITE
Formula:Mn2+Mn3+6SiO12
Crystal System:Quadratic (Tetragonal)
Strunz Nr:8/B.09-03
Group:Braunite group
References:AM 61 (1976), 1226; HB2/1 (1995)
Type Locality:Oehrenstock, Ilmenau, Germany


Mineral:BRAUNITE II (?)
Formula:Ca(Mn3+,Fe3+)14SiO24
Crystal System:Quadratic (Tetragonal)
Strunz Nr:8/B.09-031
Group:Braunite group (?)
References:BM 108 (1985), 437
Type Locality:Black Rock mine, Kalahari, Cape Province, South Africa

mlevy

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

mlevy

Send comments on page to mail pp

Copyright © 1986, 1994, 2018 ATHENA - Pierre Perroud. All Rights Reserved.