
General Information:

Chemical Formula:
V2O4·2(H2O)

Composition:
(Molecular Weight = 201.91 gm)
Vanadium 50.46 %
V Hydrogen 2.00 %
H Oxygen 47.54 %
O 
Empirical Formula:
V4+2O4·2(H2O)

Environment:
From a uranium deposit associated with duttonite.

IMA Status:
Approved IMA 1970

Locality:
Mine Oklo, Mounana (near Franceville), Gabon.

Name Origin:
Named for Andre Lenoble, French mineralogist-geologist.
Physical Properties:

Color:
azure or greenish blue.
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