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Wardite Mineral Data

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General Wardite Information

Help on Chemical  Formula: Chemical Formula: NaAl3(PO4)2(OH)4•2(H2O)
Help on Composition: Composition: Molecular Weight = 397.94 gm
   Sodium       5.78 %  Na    7.79 % Na2O
   Aluminum    20.34 %  Al   38.43 % Al2O3
   Phosphorus  15.57 %  P    35.67 % P2O5
   Hydrogen     2.03 %  H    18.11 % H2O
   Oxygen      56.29 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl3(PO4)2(OH)4•2(H2O)
Help on Environment: Environment: Alteration product of amblygonite in pegmatites and phosphate deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1896
Help on Locality: Locality: Clay Canyon, Fairfield, Utah County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Henry Augustus Ward (1834-1906), mineral dealer and collector, Rochester, New York, USA.
Help on Name Pronunciation: Name Pronunciation: Wardite Say WARDITE
Help on Synonym: Synonym: ICSD 6300
  PDF 33-1202

Wardite Image

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  Gordonite   Wardite

Comments: Prismatic gordonite crystals on massive wardite.
Location: Clay Canyon, Fairfield, Utah County, Utah, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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Comments: Cream-colored, blocky wardite crystals. The largest wardite crystal is 0.5 cm across.
Location: Taquaral, Minas Gerais, Brazil. Scale: Picture size 1.5 cm.
© John Veevaert

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  Crandallite   Wardite

Comments: Sliced and polished slab of yellow to white mixture of wardite and crandallite.
Location: Clay Canyon, Fairfield, Utah Co., Utah, USA. Scale: 11x6x.6 cm.
© John Betts - Fine Minerals

Wardite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.70049
Help on Cell Dimensions: Cell Dimensions: a = 7.0587, c = 19.062, Z = 4; V = 949.77 Den(Calc)= 2.78
Help on Crystal System: Crystal System: Tetragonal - Trapezohedral H-M Symbol (4 2 2) Space Group: P 41212
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.725(1), 2.999(0.75), 3.086(0.75),

Physical Properties of Wardite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Blue green, Colorless, White, Light green.
Help on Density: Density: 2.81 - 2.87, Average = 2.84
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
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: 5 - Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white

Optical Properties of Wardite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.048 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.027 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2152,KPDmeas= 0.2107,KC= 0.2212
Ncalc = 1.61 - 1.63
Help on Optical Data: Optical Data: Uniaxial (+), w=1.59-1.597, e=1.599-1.607, bire=0.0090-0.0100.

Calculated Properties of Wardite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.79 gm/cc
note: Specific Gravity of Wardite =2.78 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002732229
Boson Index = 0.9997267771
Help on Photoelectric: Photoelectric: PEWardite = 1.47 barns/electron
U=PEWardite x rElectron Density= 4.10 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wardite is Not Radioactive

Wardite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq � x(H2O)
  (42.07.08)Cyrilovite Group Cyrilovite NaFe3(PO4)2(OH)4•2(H2O) P 412121,P 432121 4 2 2 Wardite NaAl3(PO4)2(OH)4•2(H2O) P 41212 4 2 2
Help on  Strunz Class: Strunz Class: 08.DL.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1
08.DL.10 Cyrilovite NaFe3(PO4)2(OH)4•2(H2O) P 412121,P 432121 4 2 2
08.DL.10 Millisite (Na,K)CaAl6(PO4)4(OH)9•3(H2O) P 41212,P 43212 4 2 2
08.DL.10 Wardite NaAl3(PO4)2(OH)4•2(H2O) P 41212 4 2 2

Other Wardite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990, Dana8)
Help on See Also: See Also: Links to other databases for Wardite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: Strunz No: 08.DL.10





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