Awaruite Mineral Data
General Awaruite Information
Chemical Formula:
Ni2Fe to Ni3Fe
Composition:
Molecular Weight = 202.57 gm
Iron 27.57 % Fe
Nickel 72.43 % Ni
______
100.00 %
Empirical Formula:
Ni2.5 Fe0+
Environment:
In river placers, from serpentinized peridotites; in meteorites.
IMA Status:
Valid Species (Pre-IMA) 1885
Locality:
From the Red Hills and the Gorge River draining them, near Awarua Bay, south Westland, New Zealand. At Coolac, New South Wales, and in the Lord Brassey mine, Tasmania, Australia. Link to MinDat.org Location Data.
Name Origin:
For the locality near Awarua Bay, New Zealand.
Name Pronunciation:
Awaruite
Synonym:
Bobrovskite
Josephinite
Souesite
Awaruite Image
Images:
Awaruite Crystallography
Cell Dimensions:
a = 3.59, Z = 1; V = 46.27 Den(Calc)= 7.27
Crystal System:
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m
X Ray Diffraction:
By Intensity(I/Io ): 2.06(1), 1.78(0.3), 1.26(0.2),
Physical Properties of Awaruite
Cleavage:
None
Color:
Gray white, Silver white, Tin white.
Density:
8
Diaphaneity:
Opaque
Fracture:
Flexible - Flexible fragments.
Hardness:
5 - Apatite
Luster:
Metallic
Streak:
light gray
Optical Properties of Awaruite
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Awaruite in Air
λ
R
∑ R (λ)
400 nm
60.40
420 nm
61.30
440 nm
62.20
460 nm
62.30
480 nm
63.40
500 nm
63.80
520 nm
64.00
540 nm
64.20
560 nm
64.40
580 nm
64.80
600 nm
65.20
620 nm
65.70
640 nm
66.20
660 nm
66.70
680 nm
67.30
700 nm
68.00
Calculated Relative Intensity Colors of Awaruite in Air
Relative Intensity
0%
20%
40%
60%
80%
100%
120%
140%
150%
R
Calculated Properties of Awaruite
Electron Density:
Bulk Density (Electron Density)=6.89 gm/cc note: Specific Gravity of Awaruite =7.27 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEAwaruite = 37.95 barns/electronU=PEAwaruite x r Electron Density= 261.52 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Awaruite is Not Radioactive
Awaruite Classification
Dana Class:
01.01.11.04 (01) Native Elements
(01.01) with metallic elements other than the platinum group
(01.01.11) Iron-Nickel group
01.01.11.00 Iron ! Fe I m3m 4/m 3 2/m
01.01.11.01 Kamacite ? alpha-(Fe,Ni) F m3m 4/m 3 2/m
01.01.11.02 Taenite gamma-(Fe,Ni) F m3m 4/m 3 2/m
01.01.11.03 Tetrataenite FeNi P 4/mmm 4/m 2/m 2/m
01.01.11.04 Awaruite Ni2FetoNi3Fe P m3m 4/m 3 2/m
01.01.11.05 Nickel Ni F m3m 4/m 3 2/m
01.01.11.06 Wairauite CoFe P m3m 4/m 3 2/m
Strunz Class:
01.AE.20 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
01.A - Metals and Intermetallic Alloys
01.AE -Iron-chromium family
01.AE.20 Awaruite Ni2FetoNi3Fe P m3m 4/m 3 2/m
Other Awaruite Information
References:
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
See Also:
Links to other databases for Awaruite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - HyperPhysics
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
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Awaruite
Ni2Fe to Ni3Fe
Dana No: 01.01.11.04 Strunz No: 01.AE.20
Locality:
Notes:
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