Mongshanite Mineral Data

Mongshanite Mineral Data

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General Mongshanite Information

Chemical Formula:

(Mg,Cr,Fe++)2(Ti,Zr)5O12

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

Empirical Formula:

Mg_1.2Cr_0.6Fe²⁺_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.

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Mongshanite Crystallography

Crystal System:

HexagonalSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.89(1), 1.45(0.7), 2.26(0.7),

Physical Properties of Mongshanite

Color:

Black.

Diaphaniety:

Opaque

Hardness:

5-6 - Between Apatite and Orthoclase

Luster:

Metallic

Calculated Properties of Mongshanite

Fermion Index

Fermion Index = 0.07622
Boson Index = 0.92378

Photoelectric:

PE_Mongshanite= 48.37 barns/electron
U=PE_Mongshanite x r_electron= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Mongshanite is Not Radioactive

Mongshanite Classification

Dana Class:

7.11.11.1 (7)Multiple Oxides

(7.11)as titano-oxides with [4] and [6] substitutions

(7.11.11)Dana Group

7.11.11.1 Mongshanite * (Mg,Cr,Fe)2(Ti,Zr)5O12 Unk Hex

Strunz Class:

IV/C.25-05 IV - Oxides

IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)

IV/C.25 - Mongshanite - Kleberite series

IV/C.25-05 Mongshanite (Mg,Cr,Fe)2(Ti,Zr)5O12 Unk Hex

IV/C.25-10 Kleberite* FeTi6O13·4(H2O)(?) P 6₃mcm ? 6mm

Other Mongshanite Information

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 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 -École des Mines de Paris

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Print or Cut-and-Paste your Mongshanite Specimen Label here :

Mongshanite

(Mg,Cr,Fe++)2(Ti,Zr)5O12
Dana No: 7.11.11.1 Strunz No: IV/C.25-05
Locality:

Notes: