Mineralogy Database

Trustedtite Mineral Data

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General Trustedtite Information

Help on Chemical  Formula: Chemical Formula: Ni3Se4
Help on Composition: Composition: Molecular Weight = 491.91 gm
   Nickel    35.79 %  Ni
   Selenium  64.21 %  Se
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ni3Se4
Help on Environment: Environment: In calcite- and uranium-bearing veins in sills of albite diabase in schist. Imbedded in clausthalite.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Kuusamo, northeastern Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for O. Trustedt, whose work on prospecting methods lead to the discovery of the Outokumpu ore deposit, Finland.
Help on Name Pronunciation: Name Pronunciation: Trustedtite + Pronunciation Say TRUSTEDTITE
Help on Synonym: Synonym: Truestedtite
 

Trustedtite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 9.94, Z = 8; V = 982.11 Den(Calc)= 6.65
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.755(1), 2.48(1), 3(0.8),
 

Physical Properties of Trustedtite

Help on Color: Color: Yellow.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
 

Optical Properties of Trustedtite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Trustedtite in Air
λ R  ∑ R(λ) 
 400 nm   42.20   
 420 nm   43.60 
 440 nm   45.00 
 460 nm   46.40 
 480 nm   47.50 
 500 nm   48.50 
 520 nm   49.40 
 540 nm   50.30 
 560 nm   51.20 
 580 nm   52.00 
 600 nm   52.60 
 620 nm   53.10 
 640 nm   53.80 
 660 nm   54.30 
 680 nm   54.90 
 700 nm   55.40 
Calculated Relative Intensity Colors of Trustedtite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 200%
R                  
 

Calculated Properties of Trustedtite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.95 gm/cc
note: Specific Gravity of Trustedtite =6.65 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PETrustedtite = 65.87 barns/electron
U=PETrustedtite x rElectron Density= 391.79 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Trustedtite is Not Radioactive
 

Trustedtite Classification

Help on  Dana Class: Dana Class: 02.10.01.09 (02)Sulfides - Including Selenides and Tellurides
  (02.10)where Am Bn Xp, with (m+n):p=3:4
  (02.10.01)Linnaeite Group (Isometric: Fd3m)
 
02.10.01.01 Linnaeite CoCo2S4 F d3m 4/m 3 2/m
 
02.10.01.02 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m
 
02.10.01.03 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m
 
02.10.01.04 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m
 
02.10.01.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m
 
02.10.01.06 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m
 
02.10.01.07 Polydymite NiNi2S4 F d3m 4/m 3 2/m
 
02.10.01.08 Violarite FeNi2S4 F d3m 4/m 3 2/m
 
02.10.01.09 Trustedtite Ni3Se4 F d3m 4/m 3 2/m
 
02.10.01.10 Greigite FeFe2S4 F d3m 4/m 3 2/m
 
02.10.01.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m
 
02.10.01.12 Indite FeIn2S4 F d3m 4/m 3 2/m
 
02.10.01.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m
 
02.10.01.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m
 
02.10.01.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m
 
02.10.01.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m
 
02.10.01.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m
 
02.10.01.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m
 
02.10.01.19 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 02.DA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DA -M:S = 3:4
 
02.DA.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m
 
02.DA.05 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m
 
02.DA.05 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m
 
02.DA.05 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m
 
02.DA.05 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m
 
02.DA.05 Daubreelite FeCr2S4 F d3m 4/m 3 2/m
 
02.DA.05 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Greigite FeFe2S4 F d3m 4/m 3 2/m
 
02.DA.05 Indite FeIn2S4 F d3m 4/m 3 2/m
 
02.DA.05 Linnaeite CoCo2S4 F d3m 4/m 3 2/m
 
02.DA.05 Kalininite ZnCr2S4 F d3m 4/m 3 2/m
 
02.DA.05 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Polydymite NiNi2S4 F d3m 4/m 3 2/m
 
02.DA.05 Violarite FeNi2S4 F d3m 4/m 3 2/m
 
02.DA.05 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m
 
02.DA.05 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m
 
02.DA.05 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Trustedtite Ni3Se4 F d3m 4/m 3 2/m
 
02.DA.05 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m
 

Other Trustedtite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Trustedtite :
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
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Trustedtite Specimen Label here :

Trustedtite

Ni3Se4
Dana No: 02.10.01.09 Strunz No: 02.DA.05
Locality:

 

Notes:

 

 
   
 


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