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Mongshanite Mineral Data
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General Mongshanite Information
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 Chemical Formula: |
(Mg,Cr,Fe++)2(Ti,Zr)5O12 |
| Composition: |
Molecular Weight = 595.20 gm |
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Magnesium 4.90 % Mg 8.13 % MgO |
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Zirconium 30.65 % Zr 41.41 % ZrO2 |
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Titanium 24.13 % Ti 40.26 % TiO2 |
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Chromium 5.24 % Cr 6.85 % CrO |
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Iron 2.81 % Fe 3.62 % FeO |
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Oxygen 32.26 % O |
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______ ______ |
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100.00 % 100.27 % = TOTAL OXIDE |
| Empirical Formula: |
Mg1.2Cr0.6Fe2+0.3Ti3Zr2O12 |
| Environment: |
A doubtful species. Physical properties similar to ilmanite and found as inclusions in ilmentite. |
| IMA Status: |
Not Approved IMA 1982 |
| Locality: |
Yimenguan area (?), Shandong, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality ? |
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Mongshanite Crystallography
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| Crystal System: |
Hexagonal Space Group: Unk |
| X Ray Diffraction: |
By Intensity(I/Io): 2.89(1), 1.45(0.7), 2.26(0.7), |
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Physical Properties of Mongshanite
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| Color: |
Black. |
| Diaphaneity: |
Opaque |
| Hardness: |
5-6 - Between Apatite and Orthoclase |
| Luster: |
Metallic |
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Optical Properties of Mongshanite
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| Optical Data: |
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Calculated Properties of Mongshanite
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| Fermion Index: |
Fermion Index = 0.07
Boson Index = 0.93 |
| Photoelectric: |
PEMongshanite = 48.37 barns/electron
U=PEMongshanite x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mongshanite is Not Radioactive |
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Mongshanite Classification
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| Dana Class: |
07.11.11.01 (07)Multiple Oxides |
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(07.11)as titano-oxides with [4] and [6] substitutions |
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(07.11.11)Dana Group |
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07.11.11.01 Mongshanite* (Mg,Cr,Fe)2(Ti,Zr)5O12 Unk Hex |
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07.11.11.02 Allendeite! Sc4Zr3O12 R 3 3 |
| Strunz Class: |
04.CB.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.C - Metal:Oxygen = 2:3, 3:5, and Similar |
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04.CB -With medium-sized cations |
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04.CB.15 Armalcolite (Mg,Fe)Ti2O5 Bbmm 2/m 2/m 2/m |
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04.CB.15 Mongshanite* (Mg,Cr,Fe)2(Ti,Zr)5O12 Unk Hex |
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04.CB.15 Pseudobrookite (Fe,Fe)2(Ti,Fe)O5 Bbmm 2/m 2/m 2/m |
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Other Mongshanite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.73,p441,1988) |
| See Also: |
Links to other databases for Mongshanite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
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Print or Cut-and-Paste your Mongshanite Specimen Label here :
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Mongshanite
(Mg,Cr,Fe++)2(Ti,Zr)5O12
Dana No: 07.11.11.01 Strunz No: 04.CB.15
Locality:
Notes:
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