Cadmoindite
A valid IMA mineral species
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About Cadmoindite
Formula:
CdIn2S4
Colour:
Black to dark brown, red in thin slivers
Lustre:
Adamantine
Crystal System:
Isometric
Member of:
Name:
Named for the composition that includes cadmium and indium.
Unique Identifiers
Mindat ID:
27212
Long-form identifier:
mindat:1:1:27212:6
GUID
(UUID V4):
(UUID V4):
2463e33b-850c-459c-862d-9658025ac9f0
IMA Classification of Cadmoindite
Approved
Approval year:
2003
First published:
2004
Classification of Cadmoindite
2.DA.05
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Cad | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Cadmoindite
Adamantine
Transparency:
Translucent
Colour:
Black to dark brown, red in thin slivers
Streak:
Brown
Hardness:
VHN20=206 kg/mm2 - Vickers
Fracture:
Conchoidal
Optical Data of Cadmoindite
Reflectivity:
Wavelength | R |
---|---|
400nm | 24.9% |
420nm | 24.8% |
400nm | 24.4% |
460nm | 24.1% |
470nm | 23.9% |
480nm | 23.5% |
500nm | 22.8% |
520nm | 22.3% |
540nm | 21.7% |
546nm | 21.6% |
560nm | 21.4% |
580nm | 21.0% |
589nm | 20.8% |
600nm | 20.7% |
620nm | 20.4% |
640nm | 20.3% |
650nm | 20.2% |
660nm | 20.3% |
680nm | 20.0% |
700nm | 19.8% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 24.9%.
Colour in reflected light:
grey
Internal Reflections:
brown-red
Chemistry of Cadmoindite
Mindat Formula:
CdIn2S4
Elements listed:
Crystallography of Cadmoindite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Cell Parameters:
a = 10.81 Å
Unit Cell V:
1263.21 ų
Z:
8
Morphology:
octahedral
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0015766 | Cadmoindite | Hahn H, Klingler W (1950) Untersuchungen uber ternare chalkogenide. I. Uber die kristallstruktur einiger ternaerer sulfide, die sich vom In2S3 ableiten Zeitschrift fur Anorganische und Allgemeine Chemie 263 177-190 | 1950 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.87 Å | (4) |
3.27 Å | (10) |
2.70 Å | (6) |
2.07 Å | (8) |
1.91 Å | (9) |
1.41 Å | (6) |
1.246 Å | (7) |
1.107 Å | (9) |
1.045 Å | (8) |
Comments:
Kudriavy volcano, Russia. Data from the type description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earth’s earliest Hadean crust | >4.50 |
11 : Volcanic fumarole minerals; reduced phases (see also #45) | |
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
50 : Coal and/or oil shale minerals | <0.36 |
Stage 10b: Anthropogenic minerals | <10 Ka |
54 : Coal and other mine fire minerals (see also #51 and #56) |
Type Occurrence of Cadmoindite
General Appearance of Type Material:
Well-formed, sharp, octahedral crystals to 0.15 mm.
Place of Conservation of Type Material:
A. E. Fersman Mineralogical Museum, Moscow, Russia (catalog no. 317/1).
Geological Setting of Type Material:
Cadmoindite occurs around the vent of a high-temperature (450–600°C) fumarole.
Associated Minerals at Type Locality:
Reference:
Chaplygin, I.V., Mozgova, N.N., Bryzgalov, I.A., Mokhov, A.V. (2004) Cadmoindite, CdIn2S4, a new mineral from Kudriavy volcano, Iturup isle, Kurily islands. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 133(4): 21-27.
Synonyms of Cadmoindite
Other Language Names for Cadmoindite
Relationship of Cadmoindite to other Species
Member of:
Other Members of this group:
Cuprorhodsite | (Cu1+0.5Fe3+0.5)Rh3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Daubréelite | Fe2+Cr3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Greigite | Fe2+Fe3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Grimmite | NiCo2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Indite | FeIn2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Joegoldsteinite | MnCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Kalininite | ZnCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Linnaeite | Co2+Co3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Polydymite | Ni2+Ni3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Siegenite | CoNi2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Tarkianite | (Cu,Fe)(Re,Mo)4S8 | Iso. 4 3m : F4 3m |
Violarite | Fe2+Ni3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Xingzhongite | Pb2+Ir3+2S4 | Iso. |
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Cadmoindite associated with Cadmium-rich Wurtzite | (Zn,Cd)S |
1 photo of Cadmoindite associated with Wurtzite | (Zn,Fe)S |
Related Minerals - Strunz-mindat Grouping
2.DA. | Zaykovite | Rh3Se4 |
2.DA. | Grimmite | NiCo2S4 |
2.DA. | Zolenskyite | FeCr2S4 |
2.DA. | Ezochiite | Cu+(Rh3+Pt4+)S4 |
2.DA. | Ferrodimolybdenite | FeMo2S4 |
2.DA.05 | Bornhardtite | Co2+Co3+2Se4 |
2.DA.05 | Carrollite | CuCo2S4 |
2.DA.05 | Cuproiridsite | (Cu,Fe)Ir2S4 |
2.DA.05 | Cuprorhodsite | (Cu1+0.5Fe3+0.5)Rh3+2S4 |
2.DA.05 | Daubréelite | Fe2+Cr3+2S4 |
2.DA.05 | Fletcherite | CuNi2S4 |
2.DA.05 | Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 |
2.DA.05 | Greigite | Fe2+Fe3+2S4 |
2.DA.05 | Indite | FeIn2S4 |
2.DA.05 | Kalininite | ZnCr2S4 |
2.DA.05 | Linnaeite | Co2+Co3+2S4 |
2.DA.05 | Malanite | Cu1+(Ir3+Pt4+)S4 |
2.DA.05 | Polydymite | Ni2+Ni3+2S4 |
2.DA.05 | Siegenite | CoNi2S4 |
2.DA.05 | Trüstedtite | Ni3Se4 |
2.DA.05 | Tyrrellite | Cu(Co3+,Ni3+)2Se4 |
2.DA.05 | Violarite | Fe2+Ni3+2S4 |
2.DA.05 | Xingzhongite | Pb2+Ir3+2S4 |
2.DA.05 | Cuprokalininite | CuCr2S4 |
2.DA.05 | Joegoldsteinite | MnCr2S4 |
2.DA.05 | Nickeltyrrellite | CuNi2Se4 |
2.DA.10 | Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 |
2.DA.10 | Toyohaite | Ag1+(Fe2+0.5Sn4+1.5)S4 |
2.DA.15 | Brezinaite | Cr3S4 |
2.DA.15 | Heideite | (Fe,Cr)1.15(Ti,Fe)2S4 |
2.DA.20 | Inaglyite | Cu3Pb(Ir,Pt)8S16 |
2.DA.20 | Konderite | Cu3Pb(Rh,Pt,Ir)8S16 |
2.DA.25 | Kingstonite | (Rh,Ir,Pt)3S4 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Cadmoindite
mindat.org URL:
https://www.mindat.org/min-27212.html
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References for Cadmoindite
Reference List:
Locock, Andrew J., Piilonen, Paula C., Ercit, T. Scott, Rowe, Ralph (2006) New Mineral Names. American Mineralogist, 91 (1) 216-224 doi:10.2138/am.2006.454
Localities for Cadmoindite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Czech Republic | |
| Sejkora et al. (2001) |
| Dalibor Matýsek |
Russia (TL) | |
| maurice.strahlen.org (2004) +2 other references |
| Shevko et al. (2018) |
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Kudriavy volcano, Iturup Island, Kurilsky District, Kuril Islands, Sakhalin Oblast, Russia