Nickeline
NiAs

     Nickeline is another rare species at MSH.

PHYSICAL CHARACTERISTICS:

Color is usually brassy.
Luster is metallic.
Diaphaneity is opaque.
Crystal System is hexagonal; P6₃/mmc.
Crystal Habits include irregular grains.
Cleavage none.
Fracture is conchoidal to uneven.
Hardness is 5 - 5.5.
Specific Gravity is approximately 7.78 g/cm³.
Streak is black.
Associated Minerals include (??).
Distinguishing Features: Color and luster.
Origin: Named in 1832 for its composition.

CLASSIFICATION:

REFERENCES:
Dana 8:76-77 (1997)

DISTRIBUTION AND RARITY AT MONT SAINT-HILAIRE:

Legend