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Xingzhongite Mineral Data
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General Xingzhongite Information
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 Chemical Formula: |
(Pb,Cu,Fe)(Ir,Pt,Rh)2S4 |
| Composition: |
Molecular Weight = 645.53 gm |
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Iron 0.87 % Fe |
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Copper 2.95 % Cu |
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Iridium 35.73 % Ir |
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Platinum 18.13 % Pt |
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Rhodium 3.19 % Rh |
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Lead 19.26 % Pb |
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Sulfur 19.87 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Pb0.6Cu0.3Fe2+0.1Ir1.2Pt0.6Rh0.2S4 |
| Environment: |
In dunite-hosted platinum ores, related to chromium mineralization. |
| IMA Status: |
Approved IMA 1974 |
| Locality: |
China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the unspecified locality. |
| Name Pronunciation: |
Xingzhongite + Pronunciation  |
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Xingzhongite Crystallography
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| Cell Dimensions: |
a = 9.97, Z = 6; V = 991.03 Den(Calc)= 6.49 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.765(1), 3(0.8), 5.8(0.8), |
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Physical Properties of Xingzhongite
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| Cleavage: |
{0001} Distinct |
| Color: |
Steel gray. |
| Density: |
6.64 |
| Diaphaneity: |
Opaque |
| Hardness: |
6 - Orthoclase |
| Luster: |
Metallic |
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Optical Properties of Xingzhongite
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| RL Color: |
Bluish gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Xingzhongite in Air
| λ |
R |
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∑ R(λ) |
| 466 nm |
40.50 |
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| 544 nm |
38.90 |
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| 589 nm |
41.10 |
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| 656 nm |
41.00 |
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Calculated Relative Intensity Colors of Xingzhongite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
220% |
| R |
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Calculated Properties of Xingzhongite
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| Electron Density: |
Bulk Density (Electron Density)=5.48 gm/cc
note: Specific Gravity of Xingzhongite =6.49 gm/cc.
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| Fermion Index: |
Fermion Index = 0.1
Boson Index = 0.9 |
| Photoelectric: |
PEXingzhongite =1,162.27 barns/electron
U=PEXingzhongite x rElectron Density=6,373.13 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Xingzhongite is Not Radioactive |
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Xingzhongite Classification
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| Dana Class: |
02.08.04.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.04)Dana Group |
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02.08.04.01 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m |
| Strunz Class: |
02.DA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DA -M:S = 3:4 |
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02.DA.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m |
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02.DA.05 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m |
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02.DA.05 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m |
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02.DA.05 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m |
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02.DA.05 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m |
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02.DA.05 Daubreelite FeCr2S4 F d3m 4/m 3 2/m |
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02.DA.05 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Greigite FeFe2S4 F d3m 4/m 3 2/m |
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02.DA.05 Indite FeIn2S4 F d3m 4/m 3 2/m |
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02.DA.05 Linnaeite CoCo2S4 F d3m 4/m 3 2/m |
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02.DA.05 Kalininite ZnCr2S4 F d3m 4/m 3 2/m |
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02.DA.05 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Polydymite NiNi2S4 F d3m 4/m 3 2/m |
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02.DA.05 Violarite FeNi2S4 F d3m 4/m 3 2/m |
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02.DA.05 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m |
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02.DA.05 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m |
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02.DA.05 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Trustedtite Ni3Se4 F d3m 4/m 3 2/m |
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02.DA.05 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m |
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Other Xingzhongite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Xingzhongite :
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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Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)2S4
Dana No: 02.08.04.01 Strunz No: 02.DA.05
Locality:
Notes:
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