Muskoxite Mineral Data

Muskoxite Mineral Data
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General Muskoxite Information

Help on Chemical Formula: Chemical Formula: Mg7Fe+++4O13•10(H2O)
Help on Composition: Composition: Molecular Weight = 781.67 gm
   Magnesium  21.77 %  Mg   36.09 % MgO
   Iron       28.58 %  Fe   40.86 % Fe2O3
   Hydrogen    2.58 %  H    23.05 % H2O
   Oxygen     47.08 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg7Fe3+4O13•10(H2O)
Help on Environment: Environment: From a drill core with Mg-Fe-Mn oxides.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Muskox intrusion, coppermine River area, NWT, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the igneous complex (the Muskox intrusion) in which the mineral occurs.
Help on Name Pronunciation: Name Pronunciation: Muskoxite + Pronunciation Say MUSKOXITE
Help on Synonym: Synonym: IMA1967-043
 

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Muskoxite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.49837
Help on Cell Dimensions: Cell Dimensions: a = 3.07, c = 4.6, Z = 0.1; V = 37.55 Den(Calc)= 3.46
Help on Crystal System: Crystal System: TrigonalSpace Group: Unk (pseudo HEX-R)
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.308(1), 4.61(0.8), 1.746(0.6),
 

Physical Properties of Muskoxite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Dark reddish brown, Reddish brown.
Help on Density: Density: 3.15 - 3.2, Average = 3.17
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light orange brown
 

Optical Properties of Muskoxite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.092 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.167 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2327,KPDmeas= 0.2535,KC= 0.2793
Ncalc = 1.88 - 1.97
Help on Optical Data: Optical Data: Biaxial (-), b=1.8-1.81, 2V(Meas)=15-40.
 

Calculated Properties of Muskoxite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.18 gm/cc
note: Specific Gravity of Muskoxite =3.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEMuskoxite = 8.85 barns/electron
U=PEMuskoxite x rElectron Density= 28.20 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Muskoxite is Not Radioactive
 

Muskoxite Classification
Help on Dana Class: Dana Class: 07.11.01.01 (07)Multiple Oxides
  (07.11)as titano-oxides with [4] and [6] substitutions
  (07.11.01)Dana Group
 
07.11.01.01 Muskoxite Mg7Fe4O13•10(H2O) Unk (pseudo HEX-R) Trig
Help on Strunz Class: Strunz Class: 04.FL.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FL -Hydroxides with H2O ± (OH); sheets of edge-sharing octahedra
 
04.FL.05 Akdalaite 5(Al2O3)•(H2O) P 63mc 6mm
 
04.FL.05 Meixnerite Mg6Al2(OH)18•4(H2O) R 3m 3 2/m
 
04.FL.05 Jamborite (Ni,Ni,Fe)(OH)2(OH,S,(H2O)) Unk Hex
 
04.FL.05 Iowaite Mg4Fe(OH)8OCl•2-4(H2O) R 3m 3 2/m
 
04.FL.05 Muskoxite Mg7Fe4O13•10(H2O) Unk (pseudo HEX-R) Trig
 
04.FL.05 Woodallite! Mg6Cr2(OH)16Cl2•4(H2O) R 3m 3 2/m
 

Other Muskoxite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Muskoxite :
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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Ask about Muskoxite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Muskoxite

Mg7Fe+++4O13•10(H2O)
Dana No: 07.11.01.01 Strunz No: 04.FL.05
Locality:

 

Notes: