Josephinite

From Josephine and Jackson Counties, Oregon, USA, where it was found as "ellipsoidal masses, exceeding 100 pounds" and as small nuggets.

Structural context

Awaruite
Crystal System isometricCrystal Class hexoctahedralSpace Group Fm-3m

Chemical context

Stoichiometric formulas

Josephinite
mindat.org
  • March 13, 2023Ni3Fe
Awaruite
mindat.org
  • March 13, 2023Ni3Fe
IMA
  • March 13, 2023Ni3Fe
mineralogy.rocks
  • Aug. 30, 2022Ni3Fe

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • silver-white
  • grayish white
Color noteOriginal color note from the source
Silver-white to grayish white
Lustre
Metallic
Transparency
Opaque
Tenacity
malleable
Hardness
5
Measured density
7.8—8.22
Calculated density
7.74