Melanostibite  Mineral Data

Melanostibite Mineral Data

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General Melanostibite Information

Help on Chemical  Formula: Chemical Formula: Mn(Sb+++++,Fe+++)O3
Help on Composition: Composition: Molecular Weight = 198.33 gm
   Manganese  27.70 %  Mn   35.77 % MnO
   Iron       11.26 %  Fe   16.10 % Fe2O3
   Antimony   36.83 %  Sb   48.93 % Sb2O5
   Oxygen     24.20 %  O
             ______        ______ 
             100.00 %      100.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Sb0.6Fe3+0.4O3
Help on Environment: Environment: Fissures in banded dolomite, in a small Fe-Mn orebody in manganoan dolomite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1892
Help on Locality: Locality: Sjo mine, near Grythyttan, Orebro, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "black" and antimony (STIBium) in its composition.
Help on Name Pronunciation: Name Pronunciation: Melanostibite + Pronunciation Say MELANOSTIBITE
Help on Synonym: Synonym: ICSD 24431
  PDF 20-699
 

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Melanostibite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.7411
Help on Cell Dimensions: Cell Dimensions: a = 5.226, c = 14.325, Z = 6; V = 338.82 Den(Calc)= 5.83
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.806(1), 1.766(0.8), 2.613(0.8),
Click Here for Large Melanostibite Structure Window Crystal Structure:

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Moore P B , American Mineralogist , 53 (1968) p.1104-1109, Substitutions of the type (Sb0.5Fe0.5)-(Ti): The crystal structure of, melanostibite

 

Physical Properties of Melanostibite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Black, Blood red.
Help on Density: Density: 5.63
Help on Diaphaneity: Diaphaneity: Transparent to Subtranslucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: cherry
 

Optical Properties of Melanostibite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.02 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1921,KPDmeas= 0.1989,KC= 0.1961
Ncalc = 2.1 - 2.14
Help on Optical Data: Optical Data: Uniaxial (?), b=2.12.
 

Calculated Properties of Melanostibite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.11 gm/cc
note: Specific Gravity of Melanostibite =5.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0025040795
Boson Index = 0.9974959205
Help on Photoelectric: Photoelectric: PEMelanostibite = 130.50 barns/electron
U=PEMelanostibite x rElectron Density= 666.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Melanostibite is Not Radioactive
 

Melanostibite Classification

Help on  Dana Class: Dana Class: 04.03.05.05 (04)Simple Oxides
  (04.03)with a cation charge of 3+ (A+++2 O3)
  (04.03.05)Ilmenite Group
 
04.03.05.01 Ilmenite FeTiO3 R 3 3
 
04.03.05.02 Geikielite MgTiO3 R 3 3
 
04.03.05.03 Pyrophanite MnTiO3 R 3 3
 
04.03.05.04 Ecandrewsite (Zn,Fe,Mn)TiO3 R 3 3
 
04.03.05.05 Melanostibite Mn(Sb,Fe)O3 R 3 3
 
04.03.05.06 Brizziite-III NaSbO3 R 3 3
 
04.03.05.07 Akimotoite! (Mg,Fe)SiO3 R 3 3
Help on  Strunz Class: Strunz Class: 04.CB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CB -With medium-sized cations
 
04.CB.05 Auroantimonate* AuSbO3 Ortho ? Ortho
 
04.CB.05 Geikielite MgTiO3 R 3 3
 
04.CB.05 Brizziite-III NaSbO3 R 3 3
 
04.CB.05 Brizziite-VII NaSbO3 R 3 3
 
04.CB.05 Ecandrewsite (Zn,Fe,Mn)TiO3 R 3 3
 
04.CB.05 Corundum Al2O3 R 3c 3 2/m
 
04.CB.05 Eskolaite Cr2O3 R 3c 3 2/m
 
04.CB.05 Hematite Fe2O3 R 3c 3 2/m
 
04.CB.05 Karelianite V2O3 R 3c 3 2/m
 
04.CB.05 Ilmenite FeTiO3 R 3 3
 
04.CB.05 Melanostibite Mn(Sb,Fe)O3 R 3 3
 
04.CB.05 Pyrophanite MnTiO3 R 3 3
 
04.CB.05 Romanite* (Fe,U,Pb)2(Ti,Fe)O4 Trig ? Trig
 
04.CB.05 Tistarite! Ti2O3 R 3c 3 2/m
 

Other Melanostibite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Melanostibite :
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
15 - WWW-MINCRYST

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

Melanostibite

Mn(Sb+++++,Fe+++)O3
Dana No: 04.03.05.05 Strunz No: 04.CB.05
Locality:

 

Notes: