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Edgarite

#BAC60900
SOLD
Edgarite from Khibiny Massif, Kola Peninsula, Russia - BAC60900
Edgarite from Khibiny Massif, Kola Peninsula, Russia - BAC60900

Edgarite

#BAC60900
Availability
Sold
Size
1.5 x 1 x 1 cm - Thumbnail 
Formula
FeNb3S6 (RRUFF)
Locality
Khibiny Massif, Kola Peninsula, Russia
Tagged
sulfide

Edgarite is an unusual nioboum sulfide. It is the only niobium sulfide known. On this specimen it occurs as 1-2mm silvery crystal plates. This is the only locality to date.

Edgarite

Formula
FeNb3S6 
Crystal System
Hexagonal 
Crystal Habit
Platy 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
dark gray, black 
Class
Hexagonal - Trapezohedral 
Hardness
2-2.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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