Magnesiohogbomite-6N6S Mineral Data

Magnesiohogbomite-6N6S Mineral Data
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General Magnesiohogbomite-6N6S Information

Help on Chemical Formula: Chemical Formula: (Mg,Fe++)1.4Ti0.3Al4O8
Help on Composition: Composition: Molecular Weight = 296.93 gm
   Magnesium   8.19 %  Mg   13.57 % MgO
   Titanium    4.84 %  Ti    8.07 % TiO2
   Aluminum   36.35 %  Al   68.68 % Al2O3
   Iron        7.52 %  Fe    9.68 % FeO
   Oxygen     43.11 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: MgFe2+0.4Ti0.3Al4O8
Help on Environment: Environment: Metamorphosed iron ore deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1916
Help on Locality: Locality: Ruoutevare district, Lapland, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers).
Help on Synonym: Synonym: Hogbomite-15R-18R-24R
  Hogbomite-24R
  IMA2001-A
 

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Magnesiohogbomite-6N6S Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:9.78947
Help on Cell Dimensions: Cell Dimensions: a = 5.7, c = 55.8, Z = 12; V = 1,570.05 Den(Calc)= 3.77
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.44(1), 1.434(0.6), 2.87(0.6),
 

Physical Properties of Magnesiohogbomite-6N6S

Help on Cleavage: Cleavage: {0001} Imperfect
Help on Color: Color: Black.
Help on Density: Density: 3.81
Help on Diaphaneity: Diaphaneity: Subtranslucent to opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: gray
 

Optical Properties of Magnesiohogbomite-6N6S

Help on Dichroism (e): Dichroism (e): bright yellowish brown.
Help on Dichroism (w): Dichroism (w): dark yellowish brown.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2196,KPDmeas= 0.2173,KC= 0.2192
Ncalc = 1.83 - 1.84
Help on Optical Data: Optical Data: Uniaxial (-), e=1.803, w=1.853, bire=0.0500.
Help on RL Anisotrophism: RL Anisotrophism: Distinct.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Magnesiohogbomite-6N6S in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm    9.74   10.20 
   
 420 nm    9.28    9.79 
 440 nm    8.91    9.37 
 460 nm    8.55    9.08 
 480 nm    8.40    8.91 
 500 nm    8.31    8.88 
 520 nm    8.27    8.80 
 540 nm    8.21    8.75 
 560 nm    8.16    8.70 
 580 nm    8.15    8.70 
 600 nm    8.17    8.70 
 620 nm    8.20    8.71 
 640 nm    8.24    8.73 
 660 nm    8.31    8.74 
 680 nm    8.30    8.75 
 700 nm    8.37    8.77 
Calculated Relative Intensity Colors of Magnesiohogbomite-6N6S in Air
Relative
Intensity		    0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%
R1                      
R2                      
 

Calculated Properties of Magnesiohogbomite-6N6S

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.68 gm/cc
note: Specific Gravity of Magnesiohogbomite-6N6S =3.77 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEMagnesiohogbomite-6N6S = 4.27 barns/electron
U=PEMagnesiohogbomite-6N6S x rElectron Density= 15.73 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Magnesiohogbomite-6N6S is Not Radioactive
 

Magnesiohogbomite-6N6S Classification
Help on Dana Class: Dana Class: 07.11.07.03 (07)Multiple Oxides
  (07.11)as titano-oxides with [4] and [6] substitutions
  (07.11.07)Hogbomite Group (Ti>Sn)
 
07.11.07.01 Magnesiohogbomite-2N3S (Mg,Fe)1.4Ti0.3Al4O8 P 63mc 6mm
 
07.11.07.02 Magnesiohogbomite-2N2S (Al,Fe,Fe,Mg,Ti,Zn)11O15(OH) P 63mc 6mm
 
07.11.07.03 Magnesiohogbomite-6N6S (Mg,Fe)1.4Ti0.3Al4O8 R 3m 3 2/m
 
07.11.07.04 Zincohogbomite-2N2S! (Zn,Fe)(2-2x)(Ti)xAl4O8 P 63mc 6mm
 
07.11.07.05 Ferrohogbomite-2N2S! (Fe,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 P 63mc 6mm
Help on Strunz Class: Strunz Class: 04.CB.20 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.20 Magnesiohogbomite-6N6S (Mg,Fe)1.4Ti0.3Al4O8 R 3m 3 2/m
 
04.CB.20 Magnesiohogbomite-2N3S (Mg,Fe)1.4Ti0.3Al4O8 P 63mc 6mm
 
04.CB.20 Magnesiohogbomite-2N2S (Al,Fe,Fe,Mg,Ti,Zn)11O15(OH) P 63mc 6mm
 
04.CB.20 Zincohogbomite-2N2S! (Zn,Fe)(2-2x)(Ti)xAl4O8 P 63mc 6mm
 
04.CB.20 Ferrohogbomite-2N2S! (Fe,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 P 63mc 6mm
 

Other Magnesiohogbomite-6N6S Information
Help on References: References: NAME( Ford32) PHYS. PROP.(Dana's Sys. of Min.,7th ed.,Vol.1,1944) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Magnesiohogbomite-6N6S :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Magnesiohogbomite-6N6S Specimen Label here :

Magnesiohogbomite-6N6S

(Mg,Fe++)1.4Ti0.3Al4O8
Dana No: 07.11.07.03 Strunz No: 04.CB.20
Locality:

 

Notes: