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  

Mineralpedia Details for Jahnsite-(MnMnMn)

Reset

Jahnsite-(MnMnMn)

Jahnsite-(MnMnMn)

Formula
Mn2+Mn2+Mn2+2Fe3+2(PO4)4(OH)2ยท8H2
Crystal System
Monoclinic 
Cleavage
None, None, None 
Luster
Vitreous - Adamantine 
Color
brown, purplish brown, yellow, yellow orange 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
WebMineral
View Jahnsite-(MnMnMn) 
Mindat
View Jahnsite-(MnMnMn) 

Jahnsite-(MnMnMn) from Linopolis, Divino das Larajeiras, Minas Gerais, Brazil

Jahnsite-(MnMnMn)
            from Linopolis, Divino das Larajeiras, Minas Gerais, Brazil

A rare member of the Jahnsite group of which there is five members. This specimen contains reddish brown plates in phosphate matrix.

Click thumbnail images for larger view.

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