Mineralogy Database

Indium Mineral Data

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General Indium Information

Help on Chemical  Formula: Chemical Formula: In
Help on Composition: Composition: Molecular Weight = 114.82 gm
   Indium 100.00 %  In
          100.00 % 
Help on Empirical Formula: Empirical Formula: In
Help on Environment: Environment: In greisenized and albitized granite.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the element which is named after the indigo line in its spectrum.
Help on Name Pronunciation: Name Pronunciation: Indium Say INDIUM
Help on Synonym: Synonym: ICSD 64794
  PDF 5-642

Indium Image

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Comments: A grain of native indium.
Location: Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Indium Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.52307
Help on Cell Dimensions: Cell Dimensions: a = 3.25, c = 4.95, Z = 2; V = 52.28 Den(Calc)= 7.29
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 4/mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.715(1), 2.298(0.36), 1.683(0.24),

Physical Properties of Indium

Help on Color: Color: Yellow gray.
Help on Density: Density: 7.2 - 7.42, Average = 7.31
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic

Optical Properties of Indium

Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Color: RL Color: Light rose-white.

Calculated Properties of Indium

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.22 gm/cc
note: Specific Gravity of Indium =7.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric: PEIndium = 303.84 barns/electron
U=PEIndium x rElectron Density=1,890.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Indium is Not Radioactive

Indium Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.14)Dana Group Indium In I 4/mmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 01.AC.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AC -Indium-tin family
01.AC.05 Indium In I 4/mmm 4/m 2/m 2/m

Other Indium Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Indium :
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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Dana No: Strunz No: 01.AC.05





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