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  

Uranophane

#BAC62432

Uranophane

#BAC62432
Availability
Sold
Size
8.5 x 4 x 2.5 cm - Sm Cabinet 
Formula
Ca(UO2)2(SiO3OH)2·5H2O (RRUFF)
Locality
Rossing mine, Rossing, Swakopmund, Namibia

Choice translucent yellow groups of radiating prismatic Uranophane crystals to 6mm and individual crystals to 2mm. Ex. Prosper Williams specimen.

Radioactive!!

Uranophane

Formula
Ca(UO2)2SiO3(OH)2*5(H2O) 
Crystal System
Monoclinic 
Crystal Habit
Radial, Earthy, Massive - Fibrous 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, yellow brown, yellow green, yellow orange, light yellow 
Streak
yellowish white 
Class
Monoclinic - Sphenoidal 
Fracture
Uneven 
Hardness
2.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Special Info
Radioactive!!

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2024 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map