General Manganosite Information
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Chemical Formula: |
MnO |
Composition: |
Molecular Weight = 70.94 gm |
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Manganese 77.45 % Mn 100.00 % MnO |
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Oxygen 22.55 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Mn2+O |
Environment: |
Metamorphosed manganese deposits. |
IMA Status: |
Valid Species (Pre-IMA) 1874 |
Locality: |
Franklin, New Jersey, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named as an oxide of manganese. |
Synonym: |
ICSD 9864 |
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PDF 7-230 |
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Manganosite Image |
Images:
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Manganosite Crystallography
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Cell Dimensions: |
a = 4.436, Z = 4; V = 87.29 Den(Calc)= 5.40 |
Crystal System: |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.223(1), 1.571(0.6), 2.568(0.6), |
Crystal Structure:
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Help on Above
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Pacalo R E G , Graham E K , Physics and Chemistry of Minerals , 18 (1991) p.69-80, Pressure and temperature dependence of the elastic, properties of synthetic MnO, Sample: 1
View Additional jPOWD Structure files for Manganosite
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Physical Properties of Manganosite
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Cleavage: |
[001] Perfect, [010] Perfect, [100] Perfect |
Color: |
Green, Greenish black. |
Density: |
5.18 |
Diaphaniety: |
Transparent to translucent to opaque |
Habit: |
Massive - Granular - Common texture observed in granite and other igneous rock. |
Hardness: |
5-6 - Between Apatite and Orthoclase |
Luminescence: |
Non-fluorescent. |
Luster: |
Adamantine |
Magnetism: |
Nonmagnetic |
Streak: |
brown |
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Optical Properties of Manganosite
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Gladstone-Dale: |
CI meas= -0.142 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.095 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2157,KPDmeas= 0.2249,KC= 0.197 |
Optical Data: |
Isotropic, n=2.16-2.17. |
RL Color: |
Gray with emerald-green internal reflections. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Manganosite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
13.80 |
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| 420 nm |
14.40 |
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| 440 nm |
15.00 |
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| 460 nm |
14.80 |
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| 480 nm |
14.50 |
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| 500 nm |
14.20 |
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| 520 nm |
14.00 |
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| 540 nm |
13.90 |
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| 560 nm |
13.80 |
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| 580 nm |
13.60 |
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| 600 nm |
13.50 |
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| 620 nm |
13.60 |
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| 640 nm |
13.60 |
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| 660 nm |
13.60 |
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| 680 nm |
13.60 |
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| 700 nm |
13.60 |
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Calculated Relative Intensity Colors of Manganosite in Air
Relative Intensity |
0% |
70% |
100% |
140% |
210% |
280% |
350% |
420% |
490% |
560% |
630% |
640% |
| R |
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Calculated Properties of Manganosite
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Electron Density: |
relectron=5.02 gm/cc note: rManganosite =5.40 gm/cc. |
Fermion Index |
Fermion Index = 0.0001 Boson Index = 0.9999 |
Photoelectric: |
PEManganosite = 20.52 barns/electron U=PEManganosite x relectron= 103.11 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Manganosite is Not Radioactive |
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Manganosite Classification
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Dana Class: |
4.2.1.3 (4)Simple Oxides |
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(4.2)with a cation charge of 2+ (A++ O) |
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(4.2.1)Periclase group (Isometric, Fm3m) |
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4.2.1.1 Periclase MgO F m3m 4/m 3 2/m |
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4.2.1.2 Bunsenite NiO F m3m 4/m 3 2/m |
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4.2.1.3 Manganosite MnO F m3m 4/m 3 2/m |
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4.2.1.4 Monteponite CdO F m3m 4/m 3 2/m |
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4.2.1.5 Lime CaO F m3m 4/m 3 2/m |
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4.2.1.6 Wustite FeO F m3m 4/m 3 2/m |
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4.2.1.7 Hongquiite* TiO F m3m 4/m 3 2/m |
Strunz Class: |
IV/A.04-40 IV - Oxides |
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IV/A - Oxides with metal : oxygen = 1:1 and 2:1 (M2O,MO) |
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IV/A.04 - Periclase Group, Periclase - Murdochite series |
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IV/A.04-10 Periclase MgO F m3m 4/m 3 2/m |
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IV/A.04-20 Wustite FeO F m3m 4/m 3 2/m |
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IV/A.04-30 Bunsenite NiO F m3m 4/m 3 2/m |
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IV/A.04-40 Manganosite MnO F m3m 4/m 3 2/m |
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IV/A.04-50 Monteponite CdO F m3m 4/m 3 2/m |
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IV/A.04-60 Lime CaO F m3m 4/m 3 2/m |
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IV/A.04-70 Murdochite PbCu6O8-x(Cl,Br)2x F m3m 4/m 3 2/m |
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Other Manganosite Information
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References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Manganosite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 - EUROmin Project
4 - Franklin Minerals(Dunn)
5 - Franklin Minerals(Palache)
6 -Google Images
7 -Google Scholar
8 -Handbook of Mineralogy (UofA)
9 -MinDAT
10 -MinMax(Deutsch)
11 -MinMax(English)
12 -Mineralienatlas (Deutsch)
13 -QUT Mineral Atlas
14 -University of Colorado - Mineral Structure Data
15 - WWW-MINCRYST
16 -École des Mines de Paris
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Print or Cut-and-Paste your Manganosite Specimen Label here :
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Manganosite
MnO
Dana No: 4.2.1.3 Strunz No: IV/A.04-40
Locality:
Notes:
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