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Nickeline Breithauptite

#PD30650

Nickeline Breithauptite

#PD30650
Availability
Sold
Size
9 x 7 x 2 cm - Sm Cabinet 
Formula
NiAs (RRUFF)
Locality
Cobalt-Gowganda dist., Ontario, Canada
Tagged
Ore Minerals

Classic nickel arsenide assemblage as described by Petruk in "The Silver-Arsenide Deposits of Cobalt...", This specimen shows the plumose ore texture so typical of Cobalt but mostly composed of brassy colored Breithauptite and Nickeline with a distinct rose hue. This assemblage was found most prevalent in at the ends, tops and bottoms of most veins. Excellent specimen showing also the Dolomitic gangue. It is sawed flat on one side and shows natural breakage on the other.

Nickeline

Formula
NiAs 
Crystal System
Hexagonal 
Crystal Habit
Massive, Reniform, Columnar 
Cleavage
Imperfect, Imperfect, None 
Luster
Metallic 
Color
lead gray, grayish, copper, black 
Streak
brownish black 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Uneven 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Nickeline
On Dakota Matrix
Other Available Nickeline
WebMineral
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Mindat
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