Mineralogy Database

Nsutite Mineral Data

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General Nsutite Information

Help on Chemical  Formula: Chemical Formula: (Mn++++1-x)(Mn++x)(O2-2x)(OH2x) where x = 0.06-0.07
Help on Composition: Composition: Molecular Weight = 87.24 gm
   Manganese  62.97 %  Mn   12.20 % MnO / 84.71 % MnO2
   Hydrogen    0.35 %  H     3.10 % H2O
   Oxygen     36.68 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn4+0.85O1.7Mn2+0.15(OH)0.3
Help on Environment: Environment: Oxidation of manganese carbonate minerals. Found in most major manganese deposits.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Nsuta, Ghana. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Nsutite Say NSUTITE
Help on Synonym: Synonym: Wad

Nsutite Image

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Comments: Dark gray to black sub-metallic to dull massive nsutite.
Location: Nsuta, Western Province, Ghana. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nsutite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.45906
Help on Cell Dimensions: Cell Dimensions: a = 9.65, c = 4.43, Z = 12; V = 357.26 Den(Calc)= 4.87
Help on Crystal System: Crystal System: Hexagonal Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.635(1), 4(0.98), 2.33(0.69),

Physical Properties of Nsutite

Help on Color: Color: Grayish black, Dark gray, Black.
Help on Density: Density: 4.24 - 4.67, Average = 4.45
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 6.5-8.5
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: black

Optical Properties of Nsutite

Help on Optical Data: 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
Help on RL Anisotrophism: RL Anisotrophism: Distinct, light to dark gray.
Help on RL Bireflectance: RL Bireflectance: Grayish white with a creamy tint to bluish gray-wh.
Help on RL Color: RL Color: White with a slightly creamy tint.

Calculated Properties of Nsutite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.61 gm/cc
note: Specific Gravity of Nsutite =4.87 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001765809
Boson Index = 0.9998234191
Help on Photoelectric: Photoelectric: PENsutite = 16.48 barns/electron
U=PENsutite x rElectron Density= 76.01 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nsutite is Not Radioactive

Nsutite Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.08)Dana Group Nsutite (Mn1-x)(Mnx)(O2-2x)(OH2x)wherex=0.06-0.07 Unk Hex
Help on  Strunz Class: Strunz Class: 04.DB.15c 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
04.DB.15c Nsutite (Mn1-x)(Mnx)(O2-2x)(OH2x)wherex=0.06-0.07 Unk Hex

Other Nsutite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: 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

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


(Mn++++1-x)(Mn++x)(O2-2x)(OH2x) where x = 0.06-0.07
Dana No: Strunz No: 04.DB.15c





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