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Cadmoindite Mineral Data
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General Cadmoindite Information
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 Chemical Formula: |
CdIn2S4 |
| Composition: |
Molecular Weight = 460.83 gm |
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Zinc 0.71 % Zn |
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Cadmium 20.00 % Cd |
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Indium 49.58 % In |
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Iron 1.70 % Fe |
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Germanium 0.32 % Ge |
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Sulfur 27.69 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cd0.82Fe2+0.14Zn0.05In1.99Ge0.02S3.98 |
| Environment: |
High-temperature fumarolic crusts of the Kudriavy stratovolcano. Linnaeite group. |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Kudriavy stratovolcano on the northernmost part of Iturup Isle in the southern Kurile Islands. Link to MinDat.org Location Data. |
| Name Origin: |
Named is for its chemistry as the Cd analogue of indite. |
| Synonym: |
IMA2003-042 |
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Cadmoindite Image |
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Images:
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Cadmoindite
Comments: Tiny speck of brown cadmoindite adhered to double-stick tape mounted in an acrylic box for protection.
Location: Kudriavy, Iturup Island, Russia.
Scale: Speck size - Microscopic.
© John Betts - Fine Minerals |
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Cadmoindite Crystallography
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| Cell Dimensions: |
a = 10.81, Z = 8; V = 1,263.22 Den(Calc)= 4.85 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.27(1)(311, 222), 1.107(0.9)(844, 771), 1.91(0.9)(440, 531),1.045(0.8)(951, 773), 2.07(0.8)(511, 333), 1.246(0.7)(751, 555), 1.41(0.6)(731, 553), 2.7(0.6)(400, 331), |
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Physical Properties of Cadmoindite
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| Color: |
Black, Dark brown. |
| Diaphaneity: |
Translucent |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Habit: |
Octahedral Crystals - Occurs as octahedral shaped crystals. |
| Luster: |
Adamantine |
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Optical Properties of Cadmoindite
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| RL Anisotrophism: |
None. |
| RL Bireflectance: |
None. |
| RL Color: |
Gray with brown-red internal reflections. |
| RL Pleochroism: |
None. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Cadmoindite in Air
| λ |
R |
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∑ R(λ) |
| 470 nm |
23.90 |
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| 546 nm |
21.60 |
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| 589 nm |
20.80 |
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| 650 nm |
20.20 |
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Calculated Relative Intensity Colors of Cadmoindite in Air
Relative
Intensity |
0% |
50% |
100% |
150% |
200% |
250% |
300% |
350% |
400% |
430% |
| R |
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Calculated Properties of Cadmoindite
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| Electron Density: |
Bulk Density (Electron Density)=4.34 gm/cc
note: Specific Gravity of Cadmoindite =4.85 gm/cc.
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| Fermion Index: |
Fermion Index = 0.05
Boson Index = 0.95 |
| Photoelectric: |
PECadmoindite = 200.20 barns/electron
U=PECadmoindite x rElectron Density= 869.49 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cadmoindite is Not Radioactive |
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Cadmoindite Classification
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| Dana Class: |
02.10.01.19 (02)Sulfides - Including Selenides and Tellurides |
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(02.10)where Am Bn Xp, with (m+n):p=3:4 |
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(02.10.01)Linnaeite Group (Isometric: Fd3m) |
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02.10.01.01 Linnaeite CoCo2S4 F d3m 4/m 3 2/m |
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02.10.01.02 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m |
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02.10.01.03 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m |
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02.10.01.04 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m |
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02.10.01.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m |
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02.10.01.06 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m |
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02.10.01.07 Polydymite NiNi2S4 F d3m 4/m 3 2/m |
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02.10.01.08 Violarite FeNi2S4 F d3m 4/m 3 2/m |
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02.10.01.09 Trustedtite Ni3Se4 F d3m 4/m 3 2/m |
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02.10.01.10 Greigite FeFe2S4 F d3m 4/m 3 2/m |
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02.10.01.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m |
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02.10.01.12 Indite FeIn2S4 F d3m 4/m 3 2/m |
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02.10.01.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m |
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02.10.01.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m |
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02.10.01.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m |
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02.10.01.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m |
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02.10.01.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m |
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02.10.01.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m |
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02.10.01.19 Cadmoindite! CdIn2S4 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 Cadmoindite Information
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| References: |
NAME( AmMin, v91, p216) |
| See Also: |
Links to other databases for Cadmoindite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Cadmoindite Specimen Label here :
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Cadmoindite
CdIn2S4
Dana No: 02.10.01.19 Strunz No: 02.DA.05
Locality:
Notes:
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