owl  

ATHENA

MINERALOGY

mlevy

Mineral:GROUTITE
Formula:Mn3+O(OH)
Crystal System:Orthorhombic
Strunz Nr:4/F.06-80
Group:Diaspore group
References:AM 32 (1947), 654; HB3 (1997)
Type Locality:Mahnomen mine, Cuyuna Range, Crow Wing Co., Minnesota, USA

mlevy

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

mlevy

Send comments on page to mail pp

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