Seinajokite Mineral Data (original) (raw)
General Seinajokite Information
(Fe,Ni)(Sb,As)2
Molecular Weight = 276.64 gm
Iron 15.14 % Fe
Nickel 5.30 % Ni
Antimony 66.01 % Sb
Arsenic 13.54 % As
______
100.00 %
Fe2+0.75Ni0.25Sb1.5As0.5
In an antimony deposit, replacing antimony.
Approved IMA 1976
In the Sein�joki deposit, Vaasa, Finland Link to MinDat.org Location Data.
Named for the locality.
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Seinajokite Crystallography
a:b:c =0.549:1:1.117
a = 3.19, b = 5.81, c = 6.49, Z = 2; V = 120.29 Den(Calc)= 7.64
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm
By Intensity(I/Io): 2.81(1), 2.59(0.9), 2.03(0.8),
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| | Kjekshus A , Peterzens P G , Rakke T , Andresen A F , Acta Chemica Scandinavica , A33 (1979) p.469-480, Compounds with the marcasite type crystal structure. XIII. Structural and, magnetic properties of CrtFe1-tAs2, CrtFe1-tSb2, Fe1-tNitAs2 and Fe1-tNitSb2, Locality: synthetic, Sample: Fe.5Ni.5Sb2 | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
Physical Properties of Seinajokite
Gray.
Opaque
Massive - Uniformly indistinguishable crystals forming large masses.
5 - Apatite
Metallic
Optical Properties of Seinajokite
Distinct, brown to blue.
Light gray with a rose tint.
Calculated Properties of Seinajokite
Bulk Density (Electron Density)=6.60 gm/cc
note: Specific Gravity of Seinajokite =7.64 gm/cc.
Fermion Index = 0.003809113
Boson Index = 0.996190887
PESeinajokite = 242.19 barns/electron
U=PESeinajokite x rElectron Density=1,598.53 barns/cc.
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Seinajokite is Not Radioactive
Seinajokite Classification
02.12.02.10 (02)Sulfides - Including Selenides and Tellurides
(02.12)where Am Bn Xp, with (m+n):p=1:2
(02.12.02)Marcasite Group (Orthorhombic: Pnnm)
02.12.02.01 Marcasite FeS2 Pnnm 2/m 2/m 2/m
02.12.02.02 Ferroselite FeSe2 Pnnm 2/m 2/m 2/m
02.12.02.03 Frohbergite FeTe2 Pnnm 2/m 2/m 2/m
02.12.02.04 Hastite? CoSe2 Pnnm 2/m 2/m 2/m
02.12.02.05 Mattagamite CoTe2 Pnnm 2/m 2/m 2/m
02.12.02.06 Kullerudite NiSe2 Pnnm 2/m 2/m 2/m
02.12.02.07 Omeiite (Os,Ru)As2 Pnnm 2/m 2/m 2/m
02.12.02.08 Anduoite (Ru,Os)As2 Pnnm 2/m 2/m 2/m
02.12.02.09 Lollingite FeAs2 Pnnm 2/m 2/m 2/m
02.12.02.10 Seinajokite (Fe,Ni)(Sb,As)2 Pnnm 2/m 2/m 2/m
02.12.02.11 Safflorite (Co,Fe)As2 Pnnm 2/m 2/m 2/m
02.12.02.12 Rammelsbergite NiAs2 Pnnm 2/m 2/m 2/m
02.12.02.13 Nisbite NiSb2 Pnnm 2/m 2/m 2/m
02.EB.15b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
02.E - Metal Sulfides, M:S � 1:2
02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
02.EB.15b Seinajokite (Fe,Ni)(Sb,As)2 Pnnm 2/m 2/m 2/m
Other Seinajokite Information
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Links to other databases for Seinajokite :
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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Seinajokite
(Fe,Ni)(Sb,As)2
Dana No: 02.12.02.10 Strunz No: 02.EB.15b
Locality:
Notes: