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Montroseite with Fervanite

#38676
SOLD
Montroseite from Jo Dandy mine, Montrose Co., Colorado, United States - 38676
Montroseite from Jo Dandy mine, Montrose Co., Colorado, United States - 38676

Montroseite with Fervanite

#38676
Availability
Sold
Size
3.5 x 3.5 x 2.5 cm - Miniature 
Formula
(V3+,Fe2+,V4+)O(OH) (RRUFF)
Locality
Jo Dandy mine, Montrose Co., Colorado, United States
Tagged
vanadium

Dark black impregnations of Montroseite with green Fervanite.

Montroseite

Formula
(V3+,Fe2+,V4+)O(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Microscopic Crystals, Bladed 
Cleavage
Good, Good, None 
Luster
Sub Metallic 
Color
black, grayish black 
Streak
black 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
5.5-6.5 

Data courtesy of Webmineral.

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