Mineral Information and Data:

Awaruite
Ni3Fe [CNMNC approved formula]

Named for the locality near Awarua Bay, New Zealand.

IMA status : Valid species (Pre-IMA 1885) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
01.01.11.04  
  (01) Native Elements
  (01.01) with metallic elements other than the platinum group
  (01.01.11) Iron-Nickel group
  
Nickel-Strunz
(10th edition) :
01.AE.20
  (01) Elements
  (01.A) Metals and Intermetallic Alloys
  (01.AE) Iron-chromium family
  
Crystal system: Cubic System
Point group (H-M): m3m (or 4/m 3 2/m) — hexoctahedral
Unit cell: a = 3.560Å
Crystal Habit: Massive; as pebbles, grains and flakes; rare crystals, to 4 mm. In meteorites as rims or regular intergrowths with kamacite.
  
Color: Silver-white to grayish white
Diaphaneity: Opaque
Luster: Metallic
Hardness (Mohs): 5.5 - 6
Measured Density: 7.8 – 8.65 g/cm3
Tenacity: Malleable and flexible
  
Geologic Setting: In river placers, from serpentinized peridotites and ophiolites; rare in meteorites.
Mineral Association: Gold, magnetite (placers); copper, heazlewoodite, pentlandite, violarite, chromite, millerite (peridotites); kamacite, allabogdanite, schreibersite, graphite (meteorites).
  
Other Properties: Ferromagnetic (strongly attracted to magnetic fields).

 

Awaruite
Massive awaruite.
Origin: Heazlewood River, Tasmania, Australia.
Photo: Jeff Weissman

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