Mineralogy Database

Mongshanite Mineral Data

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General Mongshanite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Cr,Fe++)2(Ti,Zr)5O12
Help on Composition: Composition: Molecular Weight = 595.20 gm
   Magnesium   4.90 %  Mg    8.13 % MgO
   Zirconium  30.65 %  Zr   41.41 % ZrO2
   Titanium   24.13 %  Ti   40.26 % TiO2
   Chromium    5.24 %  Cr    6.85 % CrO
   Iron        2.81 %  Fe    3.62 % FeO
   Oxygen     32.26 %  O
             ______        ______ 
             100.00 %      100.27 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg1.2Cr0.6Fe2+0.3Ti3Zr2O12
Help on Environment: Environment: A doubtful species. Physical properties similar to ilmanite and found as inclusions in ilmentite.
Help on IMA Status: IMA Status: Not Approved IMA 1982
Help on Locality: Locality: Yimenguan area (?), Shandong, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality ?
 

Mongshanite Crystallography

Help on Crystal System: Crystal System: Hexagonal Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.89(1), 1.45(0.7), 2.26(0.7),
 

Physical Properties of Mongshanite

Help on Color: Color: Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 5-6 - Between Apatite and Orthoclase
Help on Luster: Luster: Metallic
 

Optical Properties of Mongshanite

Help on Optical Data: Optical Data:
 

Calculated Properties of Mongshanite

Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PEMongshanite = 48.37 barns/electron
U=PEMongshanite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mongshanite is Not Radioactive
 

Mongshanite Classification

Help on  Dana Class: Dana Class: 07.11.11.01 (07)Multiple Oxides
  (07.11)as titano-oxides with [4] and [6] substitutions
  (07.11.11)Dana Group
 
07.11.11.01 Mongshanite* (Mg,Cr,Fe)2(Ti,Zr)5O12 Unk Hex
 
07.11.11.02 Allendeite! Sc4Zr3O12 R 3 3
Help on  Strunz Class: Strunz Class: 04.CB.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CB -With medium-sized cations
 
04.CB.15 Armalcolite (Mg,Fe)Ti2O5 Bbmm 2/m 2/m 2/m
 
04.CB.15 Mongshanite* (Mg,Cr,Fe)2(Ti,Zr)5O12 Unk Hex
 
04.CB.15 Pseudobrookite (Fe,Fe)2(Ti,Fe)O5 Bbmm 2/m 2/m 2/m
 

Other Mongshanite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.73,p441,1988)
Help on See Also: 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 :

Mongshanite

(Mg,Cr,Fe++)2(Ti,Zr)5O12
Dana No: 07.11.11.01 Strunz No: 04.CB.15
Locality:

 

Notes: