Oregonite , Awaruite Locality: Josephine Creek placers, Josephine Creek District, Josephine Co., Oregon, USA Dimensions: 11 mm x 4 mm x 5 mm A nugget of oregonite with "josephinite" (= awaruite), from Excalibur Mineral Company. Collection and photo Erik Vercammen. — Photo: Erik Vercammen · CC BY 3.0
Oregonite
A nickel-iron arsenide first described from Josephine Creek, Oregon.
Intro adapted from Wikipedia (CC BY-SA).
Oregonite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula FeNi₂As₂.
It crystallizes in the hexagonal crystal system.
Key properties: Mohs hardness 5; specific gravity 6.92.
IMA symbol Ore, IMA status: approved, named in 1959.
Occurs as water-rolled pebbles in clinochlore and serpentine (Oregon, USA).
It is found associated with Copper, bornite, chalcopyrite, molybdenite, chromite (Oregon, USA); pyrrhotite, magnetite (Cyprus).
The name refers to the state of Oregon, USA.