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1 item @ $125.00  

Fernandinite with Sincosite and Selenium

#56279
SOLD
Fernandinite from South Rasmussen Ridge mine, Soda Springs, Caribou Co., Idaho, United States - 56279
Fernandinite from South Rasmussen Ridge mine, Soda Springs, Caribou Co., Idaho, United States - 56279

Fernandinite with Sincosite and Selenium

#56279
Availability
Sold
Size
3.5 x 1.5 x 1 cm - Miniature 
Formula
(Ca,Na,K)0.9(V5+,V4+,Fe2+,Ti)8O20·4H2O (RRUFF)
Locality
South Rasmussen Ridge mine, Soda Springs, Caribou Co., Idaho, United States
Tagged
vanadium

There is a 5x4mm area with black rosettes of Fernandinite on the specimen with golden, thin plates of Sincosite and tiny needles of Selenium. Handle carefully.

Fernandinite

Formula
(Ca,Na,K)0.9(V5+,V4+,Fe2+,Ti)8O20·4H2
Crystal System
Monoclinic 
Crystal Habit
Massive, Foliated 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
dark green 
Streak
dark green 
Class
Monoclinic - Prismatic 
Hardness
2-3 

Data courtesy of Webmineral.

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