Mineralogy Database

Monteponite Mineral Data

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General Monteponite Information

Help on Chemical  Formula: Chemical Formula: CdO
Help on Composition: Composition: Molecular Weight = 128.41 gm
   Cadmium  87.54 %  Cd  100.00 % CdO
   Oxygen   12.46 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CdO
Help on Environment: Environment: Coating on calamine crystals.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1946
Help on Locality: Locality: Monte Poni, near Iglesias, Cagliari, Sadinia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Monteponite + Pronunciation Say MONTEPONITE
Help on Synonym: Synonym: Cadmium oxide
  ICSD 29289
  PDF 5-640

Monteponite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 4.689, Z = 4; V = 103.10 Den(Calc)= 8.27
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.712(1), 2.349(0.88), 1.661(0.43),

Physical Properties of Monteponite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Black.
Help on Density: Density: 8.1 - 8.2, Average = 8.14
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black

Optical Properties of Monteponite

Help on Optical Data: Optical Data: NCalc= 2.08 - from Gladstone-Dale relationship (KC = 0.13) where Ncalc=Dcalc*KC+1
NCalc= 2.06 - from Gladstone-Dale relationship (KC = 0.13) where Ncalc=Dmeas*KC+1

Calculated Properties of Monteponite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.21 gm/cc
note: Specific Gravity of Monteponite =8.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.21
Boson Index = 0.79
Help on Photoelectric: Photoelectric: PEMonteponite = 241.87 barns/electron
U=PEMonteponite x rElectron Density=1,744.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Monteponite is Not Radioactive

Monteponite Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.02)with a cation charge of 2+ (A++ O)
  (04.02.01)Periclase group (Isometric, Fm3m) Periclase MgO F m3m 4/m 3 2/m Bunsenite NiO F m3m 4/m 3 2/m Manganosite MnO F m3m 4/m 3 2/m Monteponite CdO F m3m 4/m 3 2/m Lime CaO F m3m 4/m 3 2/m Wustite FeO F m3m 4/m 3 2/m Hongquiite* TiO F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 04.AB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.A - Metal:Oxygen = 2.1 and 1:1
  04.AB -M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
04.AB.25 Bunsenite NiO F m3m 4/m 3 2/m
04.AB.25 Lime CaO F m3m 4/m 3 2/m
04.AB.25 Monteponite CdO F m3m 4/m 3 2/m
04.AB.25 Manganosite MnO F m3m 4/m 3 2/m
04.AB.25 Periclase MgO F m3m 4/m 3 2/m
04.AB.25 Wustite FeO F m3m 4/m 3 2/m

Other Monteponite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Monteponite :
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: 04.AB.25





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