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Fervanite

#38661
SOLD
Fervanite from Jo Dandy mine, Montrose Co., Colorado, United States - 38661
Fervanite from Jo Dandy mine, Montrose Co., Colorado, United States - 38661

Fervanite

#38661
Availability
Sold
Size
5 x 5 x 4 cm - Miniature 
Formula
Fe3+4V5+4O16·5H2O (RRUFF)
Locality
Jo Dandy mine, Montrose Co., Colorado, United States

Sandstone impregnated with variuos vanadium oxides, in this case dark green Fervanite.

Fervanite

Formula
Fe3+4V5+4O16·5H2O 
Crystal System
Monoclinic 
Crystal Habit
Fibrous 
Cleavage
None, None, None 
Luster
Adamantine 
Color
yellow, brown, pale green 
Streak
yellowish brown 
Class
Monoclinic 
Hardness
- 

Data courtesy of Webmineral.

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