mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Manganogrunerite

#PD37873

Manganogrunerite

#PD37873
Availability
Sold
Size
3 x 3 x 2 cm - Thumbnail 
Formula
□Mn2+2Fe2+5Si8O22(OH)2 (RRUFF)
Locality
North mine, Broken Hill, New South Wales, Australia

Tan radial fibrous sprays.

Manganogrunerite

Formula
[box]Mn2+2Fe2+5Si8O22(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Massive - Fibrous, Radial 
Cleavage
Perfect, Imperfect, None 
Luster
Vitreous - Silky 
Color
brown, gray green, yellow green, dark green 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
5-6 

Data courtesy of Webmineral.

Collection
Phillips Collection

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map