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Monteponite Mineral Data
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General Monteponite Information
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Chemical Formula: |
CdO |
Composition: |
Molecular Weight = 128.41 gm |
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Cadmium 87.54 % Cd 100.00 % CdO |
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Oxygen 12.46 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
CdO |
Environment: |
Coating on calamine crystals. |
IMA Status: |
Valid Species (Pre-IMA) 1946 |
Locality: |
Monte Poni, near Iglesias, Cagliari, Sadinia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Monteponite + Pronunciation |
Synonym: |
Cadmium oxide |
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ICSD 29289 |
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PDF 5-640 |
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Monteponite Crystallography
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Cell Dimensions: |
a = 4.689, Z = 4; V = 103.10 Den(Calc)= 8.27 |
Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.712(1), 2.349(0.88), 1.661(0.43), |
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Physical Properties of Monteponite
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Cleavage: |
{???} Indistinct |
Color: |
Black. |
Density: |
8.1 - 8.2, Average = 8.14 |
Diaphaneity: |
Opaque |
Fracture: |
Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite). |
Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. |
Hardness: |
3 - Calcite |
Luster: |
Metallic |
Streak: |
black |
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Optical Properties of Monteponite
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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 |
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Calculated Properties of Monteponite
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Electron Density: |
Bulk Density (Electron Density)=7.21 gm/cc note: Specific Gravity of Monteponite =8.27 gm/cc. |
Fermion Index: |
Fermion Index = 0.21 Boson Index = 0.79 |
Photoelectric: |
PEMonteponite = 241.87 barns/electron U=PEMonteponite x rElectron Density=1,744.61 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Monteponite is Not Radioactive |
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Monteponite Classification
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Dana Class: |
04.02.01.04 (04)Simple Oxides |
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(04.02)with a cation charge of 2+ (A++ O) |
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(04.02.01)Periclase group (Isometric, Fm3m) |
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04.02.01.01 Periclase MgO F m3m 4/m 3 2/m |
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04.02.01.02 Bunsenite NiO F m3m 4/m 3 2/m |
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04.02.01.03 Manganosite MnO F m3m 4/m 3 2/m |
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04.02.01.04 Monteponite CdO F m3m 4/m 3 2/m |
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04.02.01.05 Lime CaO F m3m 4/m 3 2/m |
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04.02.01.06 Wustite FeO F m3m 4/m 3 2/m |
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04.02.01.07 Hongquiite* TiO F m3m 4/m 3 2/m |
Strunz Class: |
04.AB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.A - Metal:Oxygen = 2.1 and 1:1 |
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04.AB -M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only |
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04.AB.25 Bunsenite NiO F m3m 4/m 3 2/m |
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04.AB.25 Lime CaO F m3m 4/m 3 2/m |
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04.AB.25 Monteponite CdO F m3m 4/m 3 2/m |
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04.AB.25 Manganosite MnO F m3m 4/m 3 2/m |
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04.AB.25 Periclase MgO F m3m 4/m 3 2/m |
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04.AB.25 Wustite FeO F m3m 4/m 3 2/m |
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Other Monteponite Information
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References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Monteponite Specimen Label here :
Monteponite
CdO
Dana No: 04.02.01.04 Strunz No: 04.AB.25
Locality:
Notes:
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