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0 item @ $0.00  

Uranophane

#38332

Uranophane

#38332
Availability
Sold
Size
3.5 x 2.5 x 1 cm - Miniature 
Formula
Ca(UO2)2(SiO3OH)2·5H2O (RRUFF)
Locality
Les Bois-Noirs, Loire, Rhône-Alpes, France

Bright yellow aciculal crystals to 2mm. Nice coverage.

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.

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