Cadmoindite Mineral Data

General Cadmoindite Information

Chemical Formula:

CdIn2S4

Composition:

Molecular Weight = 460.83 gm

Zinc 0.71 % Zn

Cadmium 20.00 % Cd

Indium 49.58 % In

Iron 1.70 % Fe

Germanium 0.32 % Ge

Sulfur 27.69 % S

______

100.00 %

Empirical Formula:

Cd_0.82Fe²⁺_0.14Zn_0.05In_1.99Ge_0.02S_3.98

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

Cadmoindite Image

Images:

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

Cadmoindite Crystallography

Cell Dimensions:

a = 10.81, Z = 8; V = 1,263.22 Den(Calc)= 4.85

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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),

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

Hahn H , Klingler W , Zeitschrift fur Anorganische und Allgemeine Chemie , 263 (1950) p.177-190, Untersuchungen uber ternare chalkogenide. I. Uber die, kristallstruktur einiger ternaerer sulfide, die sich vom In2S3 ableiten, Locality: synthetic

Physical Properties of Cadmoindite

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

Optical Properties of Cadmoindite

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	∑ R(λ)
470 nm	23.90
546 nm	21.60
589 nm	20.80
650 nm	20.20

**Calculated Relative Intensity Colors of Cadmoindite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	430%
R

Calculated Properties of Cadmoindite

Electron Density:

Bulk Density (Electron Density)=4.34 gm/cc
note: Specific Gravity of Cadmoindite =4.85 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Cadmoindite= 200.20 barns/electron
U=PE_Cadmoindite x rElectron Density= 869.49 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cadmoindite is Not Radioactive

Cadmoindite Classification

Dana Class:

02.10.01.19 (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

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 Cadmoindite Information

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 :

Cadmoindite

CdIn2S4
Dana No: 02.10.01.19 Strunz No: 02.DA.05
Locality:

Notes: