Oregonite

Oregonite, Ni₂FeAs is a nickel iron arsenide mineral first described from Josephine Creek, Oregon, USA.

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Oregonite crystallises in the hexagonal system and has a hardness of 5.

Occurrence

Oregonite is known, apart from its type locality, from the Chirnaisky Massif, Russia, associated with hydrothermal nickel minerals (millerite, heazelwoodite) in a metamorphosed ultramafic; from the Skouriatissa mine, Cyprus, associated with VHMS mineralisation; and from Timmins, Ontario, Canada within serpentinite-hosted chromite deposits.

References

• Oregonite on Mindat.org