Wairauite Mineral Data
General Wairauite Information
Chemical Formula:
CoFe
Composition:
Molecular Weight = 114.78 gm
Iron 48.66 % Fe
Cobalt 51.34 % Co
______
100.00 %
Empirical Formula:
CoFe0+
Environment:
Found in dominantly lizardite serpentine at the western contact of an ultramafic intrusion: thought to have been formed under low-sulfer reducing conditions during the serpentinizat ion process.
IMA Status:
Approved IMA 1964
Locality:
Red Hill, Warau Valley, South Island, New Zealand. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Name Pronunciation:
Wairauite + Pronunciation
Synonym:
ICSD 56273
PDF 44-1433
Wairauite Image
Images:
Wairauite
Comments: Octahedra of wairauite in serpentinite. AmMin v33:942.
Location: Red Hills serpentinites of the Wairau Valley, South Island, New Zealand.
Scale: See Image.
© American Mineralogist
Wairauite Crystallography
Cell Dimensions:
a = 2.856, Z = 1; V = 23.30 Den(Calc)= 8.18
Crystal System:
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m
Physical Properties of Wairauite
Color:
Steel gray.
Diaphaneity:
Opaque
Habit:
Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Hardness:
5 - Apatite
Luster:
Metallic
Optical Properties of Wairauite
RL Color:
White.
Calculated Properties of Wairauite
Electron Density:
Bulk Density (Electron Density)=7.55 gm/cc note: Specific Gravity of Wairauite =8.18 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEWairauite = 33.34 barns/electronU=PEWairauite x r Electron Density= 251.82 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Wairauite is Not Radioactive
Wairauite Classification
Dana Class:
01.01.11.06 (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.15 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.15 Chromferide Fe3Cr1-x(x=0,6) P m3m 4/m 3 2/m
01.AE.15 Ferchromide Cr3Fe1-x(x=0,6) P m3m 4/m 3 2/m
01.AE.15 Wairauite CoFe P m3m 4/m 3 2/m
Other Wairauite Information
References:
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
See Also:
Links to other databases for Wairauite :
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 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Wairauite
CoFe
Dana No: 01.01.11.06 Strunz No: 01.AE.15
Locality:
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