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

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Mcauslanite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0..&checktime(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 - PedialH-M Symbol (1) Space Group: P1

Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/I_o): 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: PE_Mcauslanite = 5.96 barns/electron
U=PE_Mcauslanite 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: 42.11.22.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.11)where (AB)4 (XO4)3 Zq ƒL x(H2O)

(42.11.22)Dana Group

42.11.22.01 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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