mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
1 item @ $125.00  

Fernandinite with Sincosite & Selenium

#56281

Fernandinite with Sincosite & Selenium

#56281
Availability
Sold
Size
2 x 1.8 x 1.1 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
Tagged
vanadium

If you look closely, you will see tiny rosettes of black crystals near the center of the photos. The crystals on this specimen are well-defined and very lustrous. Fernandinite is a rare vanadium mineral and occurs at this deposit with Sincosite and Selenium.

EDS Confirmed, Raman

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.

Special Info
EDS Confirmed
Special Info
Raman

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2021 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map