Souzalite Mineral Data + Say SOUZALITE

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General Souzalite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe++)3(Al,Fe+++)4(PO4)4(OH)6·2(H2O)
Help on Composition: Composition: Molecular Weight = 729.00 gm
   Magnesium    8.33 %  Mg   13.82 % MgO
   Aluminum    12.95 %  Al   24.48 % Al2O3
   Iron         7.66 %  Fe    4.93 % FeO /  5.48 % Fe2O3
   Phosphorus  17.00 %  P    38.94 % P2O5
   Hydrogen     1.38 %  H    12.36 % H2O
   Oxygen      52.67 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg2.5Fe2+0.5Al3.5Fe3+0.5(PO4)4(OH)6·2(H2O)
Help on Environment: Environment: Forms a series with gormanite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1949
Help on Locality: Locality: Linopolis district, N of Dimino das Laranjeiras, Minas Gerias, Brazil. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. A. De Souza (1896-1961), director of Departamento Nacional de Producao Minera, Brazil.
 

Souzalite Image

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Souzalite

Comments: Blue-gray radial sprays of souzalite in brown siderite.
Location: Rapid Creek, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Souzalite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.2974:1:2.6575
Help on Cell Dimensions: Cell Dimensions: a = 11.74, b = 5.11, c = 13.58, Z = 2; alpha = 90.92°, beta = 99.08°, gamma = 90.33° V = 804.36 Den(Calc)= 3.01
Help on Crystal System: Crystal System: TriclinicSpace Group: P1,P 1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.386(1), 2.553(0.9), 2.921(0.8),
Click Here for Large Souzalite Structure Window Crystal Structure:

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Le Bail A , Stephens P W , Hubert F , European Journal of Mineralogy , 15 (2003) p.719-723, A crystal structure for the souzalite/gormanite series from synchrotron, powder diffraction data, Locality: Rapid Creek, Yukon, Canada

 

Physical Properties of Souzalite

Help on Cleavage: Cleavage: [001] Indistinct, [1] Fair
Help on Color: Color: Blue green, Dark green.
Help on Density: Density: 3.087
Help on Diaphaniety: Diaphaniety: Translucent
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Souzalite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2117,KPDmeas= 0.2065,KC= 0.2088
Help on Optical Data: Optical Data: Biaxial (-), a=1.618, b=1.642, g=1.652, bire=0.0340, 2V(Calc)=64, 2V(Meas)=68. Dispersion r > v.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): blue.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Souzalite

Help on Electron Density: Electron Density:

relectron=3.08 gm/cc
note: rSouzalite =3.09 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01021
Boson Index = 0.98979
Help on Photoelectric: Photoelectric:

PESouzalite = 3.64 barns/electron
U=PESouzalite x relectron= 11.21 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Souzalite is Not Radioactive

 

Souzalite Classification

Help on  Dana Class: Dana Class: 42.9.2.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.9)where (A)3 (XO4)2 Zq · x(H2O)
  (42.9.2)Dana Group
 
42.9.2.1 Souzalite (Mg,Fe)3(Al,Fe)4(PO4)4(OH)6·2(H2O) P1,P 1 Tri
 
42.9.2.2 Gormanite Fe3Al4(PO4)4(OH)6·2(H2O) P1,P 1 Tri
 
42.9.2.3 Andyrobertsite! KCdCu5(AsO4)4[As(OH)2O2]·2(H2O) P 21/m 2/m
 
42.9.2.4 Calcio-andyrobertsite-1M! KCaCu5(AsO4)4[As(OH)2O2]·2(H2O) P 21/m 2/m
 
42.9.2.5 Calcio-andyrobertsite-2O! KCaCu5(AsO4)4[As(OH)2O2]·2(H2O) P nma 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: VII/D.11-90 VII - Phosphates, Arsenates and Vanadates
  VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe
  VII/D.11 - Strunzite series
 
VII/D.11-10 Ferrostrunzite FeFe2(PO4)2(OH)2·6(H2O) P 1,P1 Tri
 
VII/D.11-20 Strunzite MnFe2(PO4)2(OH)2·6(H2O) P1 1
 
VII/D.11-30 Ferristrunzite FeFe2(PO4)2(OH)3·5(H2O) P1,P 1 Tri
 
VII/D.11-40 Bermanite MnMn2(PO4)2(OH)2·4(H2O) P 21 2
 
VII/D.11-50 Cacoxenite (Fe,Al)25(PO4)17O6(OH)12·75(H2O) P 6/mmm 6/m 2/m 2/m
 
VII/D.11-60 Tinticite Fe5(PO4,VO4)4·7(H2O) P1 1
 
VII/D.11-70 Beraunite FeFe5(PO4)4(OH)5·4(H2O) C 2/c 2/m
 
VII/D.11-71 Oxiberaunite* (Fe,Mn)Fe5(PO4)4O(OH)4·6(H2O) Mono
 
VII/D.11-90 Souzalite (Mg,Fe)3(Al,Fe)4(PO4)4(OH)6·2(H2O) P1,P 1 Tri
 
VII/D.11-100 Gormanite Fe3Al4(PO4)4(OH)6·2(H2O) P1,P 1 Tri
 
VII/D.11-110 Dufrenite FeFe4(PO4)3(OH)5·2(H2O) C 2/c 2/m
 
VII/D.11-120 Burangaite (Na,Ca)2(Fe,Mg)2Al10(PO4)8(OH,O)12·4(H2O) C 2/c 2/m
 
VII/D.11-130 Natrodufrenite Na(Fe,Fe)(Fe,Al)5(PO4)4(OH)6·2(H2O) C 2/c 2/m
 
VII/D.11-135 Ercitite! Na(Mn,Fe)(PO4)(OH)·2(H2O) P 21/n 2/m
 
VII/D.11-140 Kidwellite Na(Fe,Cu)9x(PO4)6(OH)11·3(H2O) P 2/c 2/m
 
VII/D.11-150 Meurigite! KFe7(PO4)5(OH)7·8(H2O) C 2,Cm,C 2/m Mono
 

Other Souzalite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Souzalite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Souzalite

(Mg,Fe++)3(Al,Fe+++)4(PO4)4(OH)6·2(H2O)
Dana No: 42.9.2.1 Strunz No: VII/D.11-90
Locality:

 

Notes:

 

 
   
 
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