General Nsutite Information Chemical Formula: |
(Mn++++1-x)(Mn++x)(O2-2x)(OH2x) where x = 0.06-0.07 |
Composition: |
Molecular Weight = 87.24 gm |
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Manganese 62.97 % Mn 12.20 % MnO / 84.71 % MnO2 |
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Hydrogen 0.35 % H 3.10 % H2O |
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Oxygen 36.68 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Mn4+0.85O1.7Mn2+0.15(OH)0.3 |
Environment: |
Oxidation of manganese carbonate minerals. Found in most major manganese deposits. |
IMA Status: |
Approved IMA 1962 |
Locality: |
Nsuta, Ghana. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Nsutite |
Synonym: |
Wad |
| | Nsutite Image
Images:
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Nsutite Crystallography Axial Ratios: |
a:c = 1:0.45906 |
Cell Dimensions: |
a = 9.65, c = 4.43, Z = 12; V = 357.26 Den(Calc)= 4.87 |
Crystal System: |
HexagonalSpace Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 1.635(1), 4(0.98), 2.33(0.69), |
| Physical Properties of Nsutite Color: |
Grayish black, Dark gray, Black. |
Density: |
4.24 - 4.67, Average = 4.45 |
Diaphaneity: |
Opaque |
Habit: |
Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite). |
Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
Hardness: |
6.5-8.5 |
Luster: |
Earthy (Dull) |
Streak: |
black |
| Optical Properties of Nsutite Optical Data: |
NCalc= 2.79 - from Gladstone-Dale relationship (KC = 0.3683) where Ncalc=Dcalc*KC+1 |
NCalc= 2.64 - from Gladstone-Dale relationship (KC = 0.3683) where Ncalc=Dmeas*KC+1 RL Anisotrophism: |
Distinct, light to dark gray. |
RL Bireflectance: |
Grayish white with a creamy tint to bluish gray-wh. |
RL Color: |
White with a slightly creamy tint. |
| Calculated Properties of Nsutite Electron Density: |
Bulk Density (Electron Density)=4.61 gm/cc |
note: Specific Gravity of Nsutite =4.87 gm/cc. Fermion Index: |
Fermion Index = 0.0001765809 |
Boson Index = 0.9998234191 Photoelectric: |
PENsutite = 16.48 barns/electron |
U=PENsutite x rElectron Density= 76.01 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Nsutite is Not Radioactive | Nsutite Classification Dana Class: |
04.04.08.01 (04)Simple Oxides |
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(04.04)with a cation charge of 4+ (A++++ O2) |
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(04.04.08)Dana Group |
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Strunz Class: |
04.DB.15c 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DB -With medium-sized cations; chains of edge-sharing octahedra |
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| Other Nsutite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Nsutite : |
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 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Nsutite using: Visit our Advertisers for Nsutite : A Bijoux Google Search for NsutiteAdam's Minerals Google Search for Nsutite Cape Minerals Google Search for Nsutite Dakota Matrix Minerals Google Search for Nsutite Excalibur Mineral Corp. Google Search for Nsutite Exceptional Minerals Google Search for Nsutite John Betts Fine Minerals Search for Nsutite McDougall Minerals Google Search for Nsutite Mineral News Website Link Rock and Mineral Shows Google Search for Nsutite Weinrich Minerals, Inc. Google Search for Nsutite Ask about Nsutite here : Print or Cut-and-Paste your Nsutite Specimen Label here :
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