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Mangangordonite Mineral Data

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General Mangangordonite Information

Help on Chemical  Formula: Chemical Formula: (Mn++,Fe++,Mg)Al2(PO4)2(OH)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 480.92 gm
   Magnesium    0.20 %  Mg    0.34 % MgO
   Manganese    8.00 %  Mn   10.33 % MnO
   Aluminum    11.78 %  Al   22.26 % Al2O3
   Iron         3.48 %  Fe    4.48 % FeO
   Phosphorus  12.88 %  P    29.51 % P2O5
   Hydrogen     3.77 %  H    33.71 % H2O
   Oxygen      59.88 %  O
              ______        ______ 
              100.00 %      100.63 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+0.7Fe2+0.3Mg0.04Al2.1(PO4)2(OH)2�8(H2O)
Help on Environment: Environment: Secondary mineral in complex zoned granite pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Foote Quarry, Kings Mountain, Cleveland County, North Carolina, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the manganese analog of gordonite.
Help on Name Pronunciation: Name Pronunciation: Mangangordonite + Pronunciation Say MANGANGORDONITE
Help on Synonym: Synonym: ICSD 63248
  IMA1989-023
  PDF 45-1409
 

Mangangordonite Image

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  Mangangordonite

Comments: White, blocky crystal of mangangordonite to 0.5mm on matrix.
Location: Foote mine, Cleveland Co., North Carolina, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Mangangordonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5072:1:0.6793
Help on Cell Dimensions: Cell Dimensions: a = 5.257, b = 10.363, c = 7.04, Z = 1; alpha = 105.44°, beta = 113.07°, gamma = 78.69° V = 333.52 Den(Calc)= 2.39
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.77(1), 6.39(0.8), 3.18(0.7),
 

Physical Properties of Mangangordonite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Colorless, White, Light yellow.
Help on Density: Density: 2.36
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Mangangordonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2384,KPDmeas= 0.2384,KC= 0.2442
Ncalc = 1.58
Help on Optical Data: Optical Data: Biaxial (+), a=1.556, b=1.561, g=1.571, bire=0.0150, 2V(Calc)=72, 2V(Meas)=70-71.
 

Calculated Properties of Mangangordonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.41 gm/cc
note: Specific Gravity of Mangangordonite =2.36 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012337987
Boson Index = 0.9987662013
Help on Photoelectric: Photoelectric: PEMangangordonite = 3.99 barns/electron
U=PEMangangordonite x rElectron Density= 9.59 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mangangordonite is Not Radioactive
 

Mangangordonite Classification

Help on  Dana Class: Dana Class: 42.11.14.05 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.11)where (AB)4 (XO4)3 Zq � x(H2O)
  (42.11.14)Vauxite Group
 
42.11.14.01 Vauxite FeAl2(PO4)2(OH)2•6(H2O) P1 1
 
42.11.14.02 Paravauxite FeAl2(PO4)2(OH)2•8(H2O) P1 1
 
42.11.14.03 Sigloite FeAl2(PO4)2(OH)3•5(H2O) P1 1
 
42.11.14.04 Gordonite MgAl2(PO4)2(OH)2•8(H2O) P1 1
 
42.11.14.05 Mangangordonite (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1
 
42.11.14.06 Kastningite! (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1
 
42.11.14.07 Maghrebite! MgAl2(AsO4)2(OH)2•8H2O P1 1
Help on  Strunz Class: Strunz Class: 08.DC.30 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
 
08.DC.30 Gordonite MgAl2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Ferrolaueite! FeFe2(PO4)2(OH)2•8(H2O) Tri
 
08.DC.30 Mangangordonite (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Laueite MnFe2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Sigloite FeAl2(PO4)2(OH)3•5(H2O) P1 1
 
08.DC.30 Pseudolaueite MnFe2(PO4)2(OH)2•7-8(H2O) P 21/a 2/m
 
08.DC.30 Paravauxite FeAl2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Stewartite MnFe2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Ushkovite MgFe2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Kastningite! (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1
 
08.DC.30 Maghrebite! MgAl2(AsO4)2(OH)2•8H2O P1 1
 

Other Mangangordonite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.76,p2022,1991) OPTIC PROP.(Am.Min.,Vol.76,p2022,1991)
Help on See Also: See Also: Links to other databases for Mangangordonite :
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 Mangangordonite Specimen Label here :

Mangangordonite

(Mn++,Fe++,Mg)Al2(PO4)2(OH)2•8(H2O)
Dana No: 42.11.14.05 Strunz No: 08.DC.30
Locality:

 

Notes:

 

 
   
 


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