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1 item @ $125.00  

Fernandinite with Sincosite & Selenium

#56278

Fernandinite with Sincosite & Selenium

#56278
Availability
Sold
Size
2.5 x 2.5 x 1.5 cm - Thumbnail 
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

Tiny, 0.1mm, glossy black rosettes of Fernandinite, golden Sincosite and minor needles of native Selenium. EDS & Raman verified.

This would be the first reported occurence of Fernandinite in Idaho.

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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