Mineralogy Database

Garyansellite Mineral Data

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General Garyansellite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe+++)3(PO4)2(OH,O)•1,5(H2O)
Help on Composition: Composition: Molecular Weight = 330.29 gm
   Magnesium   16.56 %  Mg   27.46 % MgO
   Iron        12.68 %  Fe   18.13 % Fe2O3
   Phosphorus  18.76 %  P    42.98 % P2O5
   Hydrogen     1.14 %  H    10.23 % H2O
   Oxygen      50.86 %  O
              ______        ______ 
              100.00 %       98.79 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 3(Mg0.75)3(Fe3+0.25)(PO4)2(OH)0.75O0.25•1.5(H2O)
Help on Environment: Environment: lLow-temperature mineral in fractures in a sedimentary iron formation.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: East side of Rapid Creek, about one km north of the junction with Lake Creek, Yukon Territory, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for H. Gary Ansell (1943- ), Associate Curator, Canadian National Mineral Collection, Geological Survey of Canada, Ottawa, Canada.
Help on Name Pronunciation: Name Pronunciation: Garyansellite + Pronunciation Say GARYANSELLITE
 

Garyansellite Image

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  Garyansellite

Comments: Brown crystalline garyansellite with quartz.
Location: Rapid Creek, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Garyansellite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9557:1:0.8289
Help on Cell Dimensions: Cell Dimensions: a = 9.452, b = 9.89, c = 8.198, Z = 4; V = 766.35 Den(Calc)= 2.86
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbna
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.156(1), 2.705(0.6), 4.93(0.5),
 

Physical Properties of Garyansellite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: Brown.
Help on Density: Density: 3.16
Help on Diaphaneity: Diaphaneity: Translucent
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: brown
 

Optical Properties of Garyansellite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.164 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2624,KPDmeas= 0.2374,KC= 0.2254
Ncalc = 1.64 - 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.733, b=1.757, g=1.761, bire=0.0280, 2V(Calc)=42, 2V(Meas)=55.
 

Calculated Properties of Garyansellite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.14 gm/cc
note: Specific Gravity of Garyansellite =3.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEGaryansellite = 5.01 barns/electron
U=PEGaryansellite x rElectron Density= 15.75 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Garyansellite is Not Radioactive
 

Garyansellite Classification

Help on  Dana Class: Dana Class: 40.03.02.05 (40)Hydrated Phosphates, etc
  (40.03)where (A++)3 (XO4)2 � x(H2O)
  (40.03.02)Phosphoferrite Group
 
40.03.02.01 Phosphoferrite (Fe,Mn)3(PO4)2•3(H2O) Pmna 2/m 2/m 2/m
 
40.03.02.02 Kryzhanovskite MnFe2(PO4)2(OH)2•(H2O) Pbna 2/m 2/m 2/m
 
40.03.02.03 Reddingite Mn3(PO4)2•3(H2O) Pbna 2/m 2/m 2/m
 
40.03.02.04 Landesite (Mn,Mg)9Fe3(PO4)8(OH)3•9(H2O) Pmna 2/m 2/m 2/m
 
40.03.02.05 Garyansellite (Mg,Fe)3(PO4)2(OH,O)•1,5(H2O) Pbna 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CC.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CC -With only medium-sized cations, RO4:H2O = 1:1.5
 
08.CC.05 Garyansellite (Mg,Fe)3(PO4)2(OH,O)•1,5(H2O) Pbna 2/m 2/m 2/m
 
08.CC.05 Kryzhanovskite MnFe2(PO4)2(OH)2•(H2O) Pbna 2/m 2/m 2/m
 
08.CC.05 Landesite (Mn,Mg)9Fe3(PO4)8(OH)3•9(H2O) Pmna 2/m 2/m 2/m
 
08.CC.05 Phosphoferrite (Fe,Mn)3(PO4)2•3(H2O) Pmna 2/m 2/m 2/m
 
08.CC.05 Reddingite Mn3(PO4)2•3(H2O) Pbna 2/m 2/m 2/m
 

Other Garyansellite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Garyansellite :
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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Print or Cut-and-Paste your Garyansellite Specimen Label here :

Garyansellite

(Mg,Fe+++)3(PO4)2(OH,O)•1,5(H2O)
Dana No: 40.03.02.05 Strunz No: 08.CC.05
Locality:

 

Notes:

 

 
   
 


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