Manganosite Mineral Data

Manganosite Mineral Data +

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General Manganosite Information

Chemical Formula:

MnO

Composition:

Molecular Weight = 70.94 gm

Manganese 77.45 % Mn 100.00 % MnO

Oxygen 22.55 % O

______ ______

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

PDF 7-230

Manganosite Image

Images:

Manganosite

Comments: Dark green manganosite in matrix.
Location: Nordmark, Filipstad, V?rmland, Sweden. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Manganosite Crystallography

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

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

By Intensity(I/I_o): 2.223(1), 1.571(0.6), 2.568(0.6),

Crystal Structure:

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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
[1] [10] [11] [12] [13] [14] [15] [2] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Manganosite

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

Optical Properties of Manganosite

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	∑ R(λ)
400 nm	13.80
420 nm	14.40
440 nm	15.00
460 nm	14.80
480 nm	14.50
500 nm	14.20
520 nm	14.00
540 nm	13.90
560 nm	13.80
580 nm	13.60
600 nm	13.50
620 nm	13.60
640 nm	13.60
660 nm	13.60
680 nm	13.60
700 nm	13.60

**Calculated Relative Intensity Colors of Manganosite in Air**
Relative Intensity	0%	70%	100%	140%	210%	280%	350%	420%	490%	560%	630%	640%
R

Calculated Properties of Manganosite

Electron Density:

r_electron=5.02 gm/cc
note: r_Manganosite=5.40 gm/cc.

Fermion Index

Fermion Index = 0.0001
Boson Index = 0.9999

Photoelectric:

PE_Manganosite= 20.52 barns/electron
U=PE_Manganosite x r_electron= 103.11 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Manganosite is Not Radioactive

Manganosite Classification

Dana Class:

4.2.1.3 (4)Simple Oxides

(4.2)with a cation charge of 2+ (A++ O)

(4.2.1)Periclase group (Isometric, Fm3m)

4.2.1.1 Periclase MgO F m3m 4/m 3 2/m

4.2.1.2 Bunsenite NiO F m3m 4/m 3 2/m

4.2.1.3 Manganosite MnO F m3m 4/m 3 2/m

4.2.1.4 Monteponite CdO F m3m 4/m 3 2/m

4.2.1.5 Lime CaO F m3m 4/m 3 2/m

4.2.1.6 Wustite FeO F m3m 4/m 3 2/m

4.2.1.7 Hongquiite* TiO F m3m 4/m 3 2/m

Strunz Class:

IV/A.04-40 IV - Oxides

IV/A - Oxides with metal : oxygen = 1:1 and 2:1 (M2O,MO)

IV/A.04 - Periclase Group, Periclase - Murdochite series

IV/A.04-10 Periclase MgO F m3m 4/m 3 2/m

IV/A.04-20 Wustite FeO F m3m 4/m 3 2/m

IV/A.04-30 Bunsenite NiO F m3m 4/m 3 2/m

IV/A.04-40 Manganosite MnO F m3m 4/m 3 2/m

IV/A.04-50 Monteponite CdO F m3m 4/m 3 2/m

IV/A.04-60 Lime CaO F m3m 4/m 3 2/m

IV/A.04-70 Murdochite PbCu6O8-x(Cl,Br)2x F m3m 4/m 3 2/m

Other Manganosite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

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

Manganosite

MnO
Dana No: 4.2.1.3 Strunz No: IV/A.04-40
Locality:

Notes: