General Cuproiridsite Information
|
Chemical Formula: |
CuIr2S4 |
Composition: |
Molecular Weight = 576.25 gm |
| |
Copper 11.03 % Cu |
| |
Iridium 66.71 % Ir |
| |
Sulfur 22.26 % S |
| |
______ |
| |
100.00 % |
Empirical Formula: |
CuIr2S4 |
Environment: |
In alluvial deposits. |
IMA Status: |
Approved IMA 1985 |
Locality: |
From undefined localities in the Aldan Shield and Kamchatka, Far Eastern Region, USSR. Link to MinDat.org Location Data. |
Name Origin: |
For the chemical composition. |
Synonym: |
ICSD 75531 |
| |
PDF 39-329 |
| |
Cuproiridsite Image |
Images:
|
|
Cuproiridsite Isoferroplatinum
Comments: Gray equant crystal of cuproiridsite in light gray isoferroplatinum. Polished section (from microprobe analysis) in reflected light.
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia.
Scale: Picture size 0.14 mm.
© Thomas Witzke / Abraxas-Verlag |
|
Cuproiridsite Crystallography
|
Cell Dimensions: |
a = 9.92, Z = 8; V = 976.19 Den(Calc)= 7.84 |
Crystal System: |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m |
X Ray Diffraction: |
By Intensity(I/Io): 1.76(1), 3(1), 2.489(0.9), |
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
|
|
|
Furubayashi T , Matsumoto T , Hagino T , Nagata S , Journal of the Physical Society of Japan , 63 (1994) p.3333-3339, Structural and magnetic studies of metal-insulator transition in thiospinel CuIr2S4, Sample: T = 10 K, low temperature form
View Additional jPOWD Structure files for Cuproiridsite
[1]
|
|
| |
Physical Properties of Cuproiridsite
|
Color: |
Iron black, Black. |
Density: |
7.24 |
Diaphaniety: |
Opaque |
Hardness: |
5-6 - Between Apatite and Orthoclase |
Luster: |
Metallic |
Streak: |
ingen |
| |
Optical Properties of Cuproiridsite
|
RL Color: |
Gray. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Cuproiridsite in Air
| λ |
R1 |
R2 |
 |
∑ R1(λ) |
∑ R2(λ) |
| 460 nm |
35.00 |
37.50 |

 |
|
|
| 480 nm |
34.40 |
37.20 |

 |
| 500 nm |
34.00 |
37.10 |

 |
| 520 nm |
34.00 |
37.10 |

 |
| 540 nm |
33.60 |
37.20 |

 |
| 560 nm |
33.40 |
37.20 |

 |
| 580 nm |
33.10 |
37.50 |

 |
| 600 nm |
32.80 |
37.70 |

 |
| 620 nm |
32.60 |
37.80 |

 |
| 640 nm |
32.40 |
37.80 |

 |
| 660 nm |
32.20 |
37.80 |

 |
| 680 nm |
32.10 |
38.10 |

 |
| 700 nm |
32.00 |
38.40 |

 |
Calculated Relative Intensity Colors of Cuproiridsite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
| R1 |
|
|
|
|
|
|
|
|
|
|
|
| R2 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Cuproiridsite
|
Electron Density: |
relectron=6.72 gm/cc note: rCuproiridsite =7.84 gm/cc. |
Fermion Index |
Fermion Index = 0.00166 Boson Index = 0.99834 |
Photoelectric: |
PECuproiridsite = 970.92 barns/electron U=PECuproiridsite x relectron=6,525.51 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cuproiridsite is Not Radioactive |
| |
Cuproiridsite Classification
|
Dana Class: |
2.10.1.15 (2)Sulfides - Including Selenides and Tellurides |
| |
(2.10)where Am Bn Xp, with (m+n):p=3:4 |
| |
(2.10.1)Linnaeite Group (Isometric: Fd3m) |
| |
2.10.1.1 Linnaeite CoCo2S4 F d3m 4/m 3 2/m |
| |
2.10.1.2 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m |
| |
2.10.1.3 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m |
| |
2.10.1.4 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m |
| |
2.10.1.5 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m |
| |
2.10.1.6 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m |
| |
2.10.1.7 Polydymite NiNi2S4 F d3m 4/m 3 2/m |
| |
2.10.1.8 Violarite FeNi2S4 F d3m 4/m 3 2/m |
| |
2.10.1.9 Trustedtite Ni3Se4 F d3m 4/m 3 2/m |
| |
2.10.1.10 Greigite FeFe2S4 F d3m 4/m 3 2/m |
| |
2.10.1.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m |
| |
2.10.1.12 Indite FeIn2S4 F d3m 4/m 3 2/m |
| |
2.10.1.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m |
| |
2.10.1.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m |
| |
2.10.1.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m |
| |
2.10.1.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m |
| |
2.10.1.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m |
| |
2.10.1.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m |
| |
2.10.1.19 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m |
Strunz Class: |
II/D.02-30 II - Sulfides and sulphosalts |
| |
II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold |
| |
II/D.02 - Dayingite - Xingzhongite series |
| |
II/D.02-10 Dayingite? CuCoPtS4 F m3m 4/m 3 2/m |
| |
II/D.02-20 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m |
| |
II/D.02-30 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m |
| |
II/D.02-40 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m |
| |
II/D.02-45 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m |
| |
II/D.02-50 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m |
| |
Other Cuproiridsite Information
|
References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Cuproiridsite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 - EUROmin Project
4 -Google Images
5 -Google Scholar
6 -Handbook of Mineralogy (UofA)
7 -MinDAT
8 -MinMax(Deutsch)
9 -MinMax(English)
10 -Mineralienatlas (Deutsch)
11 -QUT Mineral Atlas
12 -École des Mines de Paris
Search for Cuproiridsite using:
[ALTAVISTA]
[AOL]
[About.com]
[All-The-Web]
[HotBot]
[Ixquick]
[LookSmart]
[MAMMA]
[MSN.COM]
[Netscape]
[Teoma]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Cuproiridsite :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop
Translate Cuproiridsite Mineral Data :
Ask about Cuproiridsite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Español
Print or Cut-and-Paste your Cuproiridsite Specimen Label here :
|
Cuproiridsite
CuIr2S4
Dana No: 2.10.1.15 Strunz No: II/D.02-30
Locality:
Notes:
|
|
| |
| |
|
| |