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  

Ianthinite pseudomorphing into Schoepite

#44591

Ianthinite pseudomorphing into Schoepite

#44591
Availability
Sold
Size
4 x 2 x 1.5 cm - Miniature 
Formula
U4+2(UO2)4O6(OH)4·9H2O (RRUFF)
Locality
Grury, Issy-l'Eveque, Saone-et-Loire, Burgundy, France

Uraninite matrix with Ianthinite alteration to Schoepite. No crystals of either mineral. ID is from the old Scott Willaims label.

Ianthinite

Formula
U4+2(UO2)4O6(OH)4·9H2
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Granular 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
violet black, violet, violet purple 
Streak
violet brown 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
2.5-3 

Data courtesy of Webmineral.

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map