Mineralogy Database

Mcauslanite Mineral Data

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General Mcauslanite Information

Help on Chemical  Formula: Chemical Formula: HFe++3Al2(PO4)4F•18(H2O)
Help on Composition: Composition: Molecular Weight = 945.67 gm
   Aluminum     5.71 %  Al   10.78 % Al2O3
   Iron        17.72 %  Fe   22.79 % FeO
   Phosphorus  13.10 %  P    30.02 % P2O5
   Hydrogen     3.94 %  H    35.24 % H2O
   Oxygen      57.52 %  O
   Fluorine     2.01 %  F     2.01 % F
                 -   %   F    -0.85 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: HFe2+3Al2(PO4)4F•18(H2O)
Help on Environment: Environment: Complex supergene enrichment area of iron phosphates.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: East Kemptville tin mine, Yarmouth County, NS, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for David A. McAuslan, exploration manager, Shell Canada Resources LTD., who discovered the locality.
Help on Name Pronunciation: Name Pronunciation: Mcauslanite + Pronunciation Say MCAUSLANITE
Help on Synonym: Synonym: IMA1986-051

Mcauslanite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8692:1:0.5954
Help on Cell Dimensions: Cell Dimensions: a = 10.055, b = 11.568, c = 6.888, Z = 1; alpha = 105.84°, beta = 93.66°, gamma = 106.47° V = 737.63 Den(Calc)= 2.13
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.96(1), 10.6(0.9), 9.53(0.85),

Physical Properties of Mcauslanite

Help on Cleavage: Cleavage: {110} Good
Help on Color: Color: Colorless, Yellowish white.
Help on Density: Density: 2.22
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous - Silky
Help on Streak: Streak: white

Optical Properties of Mcauslanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.021 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.246,KPDmeas= 0.2383,KC= 0.2409
Ncalc = 1.52 - 1.53
Help on Optical Data: Optical Data: Biaxial (-), a=1.522, b=1.531, g=1.534, bire=0.0120, 2V(Calc)=58, 2V(Meas)=55-59.7.

Calculated Properties of Mcauslanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.26 gm/cc
note: Specific Gravity of Mcauslanite =2.22 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0040379517
Boson Index = 0.9959620483
Help on Photoelectric: Photoelectric: PEMcauslanite = 5.96 barns/electron
U=PEMcauslanite x rElectron Density= 13.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mcauslanite is Not Radioactive

Mcauslanite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.11)where (AB)4 (XO4)3 Zq � x(H2O)
  (42.11.22)Dana Group Mcauslanite HFe3Al2(PO4)4F•18(H2O) P1 1
Help on  Strunz Class: Strunz Class: 08.DB.60 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1
08.DB.60 Mcauslanite HFe3Al2(PO4)4F•18(H2O) P1 1

Other Mcauslanite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Am.Min.,Vol.75,p707,1990)
Help on See Also: See Also: Links to other databases for Mcauslanite :
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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Dana No: Strunz No: 08.DB.60





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