Souzalite Mineral Data

Souzalite Mineral Data
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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.
Help on Name Pronunciation: Name Pronunciation: Souzalite + Pronunciation Say SOUZALITE
 

Souzalite Image

Click Here for Larger Souzalite Image in a New Browser Window Images:
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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 Diaphaneity: Diaphaneity: 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= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.029 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2117,KPDmeas= 0.2065,KC= 0.2181
Ncalc = 1.66 - 1.67
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: Bulk Density (Electron Density)=3.00 gm/cc
note: Specific Gravity of Souzalite =3.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESouzalite = 3.64 barns/electron
U=PESouzalite x rElectron Density= 10.93 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: 42.09.02.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.09)where (A)3 (XO4)2 Zq · x(H2O)
  (42.09.02)Souzalite Group
 
42.09.02.01 Souzalite (Mg,Fe)3(Al,Fe)4(PO4)4(OH)6•2(H2O) P1,P 1 Tri
 
42.09.02.02 Gormanite Fe3Al4(PO4)4(OH)6•2(H2O) P1,P 1 Tri
 
42.09.02.03 Andyrobertsite! KCdCu5(AsO4)4[As(OH)2O2]•2(H2O) P 21/m 2/m
 
42.09.02.04 Calcioandyrobertsite-1M! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) P 21/m 2/m
 
42.09.02.05 Calcioandyrobertsite-2O! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) P nma 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 08.DC.45 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.45 Gormanite Fe3Al4(PO4)4(OH)6•2(H2O) P1,P 1 Tri
 
08.DC.45 Souzalite (Mg,Fe)3(Al,Fe)4(PO4)4(OH)6•2(H2O) P1,P 1 Tri
 

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 - 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 Souzalite Specimen Label here :

Souzalite

(Mg,Fe++)3(Al,Fe+++)4(PO4)4(OH)6•2(H2O)
Dana No: 42.09.02.01 Strunz No: 08.DC.45
Locality:

 

Notes: