Name:

uranophane (uranotile)

A photo of the mineral uranophane

Class:

Silicates

Chemistry:

CaH2(UO2|SiO4)2 * 5H2O Hydrated Calcium Uranium Silicate

Color(s):

yellow

Hardness:

2.5

SpecGrav:

3.8 - 3.9

Fracture:

conchoidal

Cleavage:

incomplete

Crystal:

monoclinic (prismatic and often acicular)

Envronment:

oxidized zone of uranium deposits in pegmatites

Association:

torbernite, autunite, uranocircite, fluorite

Locals:

| Germany | Zaire | New Mexico, USA | Canada | Austrailia |

Misc:

From uran and phanos - "to appear."

Photos
& Locals:

1.) Madawashka Mine, Bancroft, Canada
2.) Madawashka Mine, Bancroft, Canada
3.) Bancroft, Ontario, Canada

4.) Bancroft, Ontario, Canada
5.) Bancroft, Ontario, Canada
6.) Bancroft, Ontario, Canada

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