Mineralogy Database

Paramendozavilite Mineral Data

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General Paramendozavilite Information

Help on Chemical  Formula: Chemical Formula: NaAl4Fe+++7(PO4)5(P+++++Mo++++++12O40)(OH)16•56(H2O)
Help on Composition: Composition: Molecular Weight = 4,099.90 gm
   Sodium       0.56 %  Na    0.76 % Na2O
   Aluminum     2.63 %  Al    4.97 % Al2O3
   Iron         9.54 %  Fe   13.63 % Fe2O3
   Molybdenum  28.08 %  Mo   42.13 % MoO3
   Phosphorus   4.53 %  P    10.39 % P2O5
   Hydrogen     3.15 %  H    28.12 % H2O
   Oxygen      51.51 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl4Fe3+7(PO4)5PMo12O40(OH)16•56(H2O)
Help on Environment: Environment: Biotite rich molybdenum-bearing pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Cumobabi, SW of Cumpas, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the similarity to mendozavilite.
Help on Name Pronunciation: Name Pronunciation: Paramendozavilite + Pronunciation Say PARAMENDOZAVILITE

Paramendozavilite Image

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Comments: Bright yellow paramendozavilite coatings on matrix.
Location: Cumobabi, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Paramendozavilite Crystallography

Help on Crystal System: Crystal System: Monoclinic Space Group: Unk.
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.48(1), 14.36(1), 7.38(0.7),

Physical Properties of Paramendozavilite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Yellow, Light yellow.
Help on Density: Density: 3.35
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellow white

Optical Properties of Paramendozavilite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.218 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2105,KC= 0.2691
Ncalc = 1.9
Help on Optical Data: Optical Data: Biaxial (-), a=1.686, b=1.71, g=1.72, bire=0.0340, 2V(Calc)=64, 2V(Meas)=55.

Calculated Properties of Paramendozavilite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.31 gm/cc
note: Specific Gravity of Paramendozavilite =3.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PEParamendozavilite = 46.75 barns/electron
U=PEParamendozavilite x rElectron Density= 154.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paramendozavilite is Not Radioactive

Paramendozavilite Classification

Help on  Dana Class: Dana Class: (49)Basic and Hydrated Molybdates and Tungstates
  (49.04)(Compound Anions)
  (49.04.06)Dana Group Paramendozavilite NaAl4Fe7(PO4)5(PMo12O40)(OH)16•56(H2O) Unk. Mono
Help on  Strunz Class: Strunz Class: 07.GB.45 07 - SULFATES (SELENATES, TELLURATES)
  07.G - Molybdates, Wolframates and Niobates
  07.GB -With additional anions and/or H2O
07.GB.45 Mendozavilite (Na,Mg)Ca2[Mo8P2Fe3O36(OH)]•n(H2O),n~9 Unk. Mono
07.GB.45 Paramendozavilite NaAl4Fe7(PO4)5(PMo12O40)(OH)16•56(H2O) Unk. Mono

Other Paramendozavilite Information

Help on References: References: NAME( Dana8) 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 Paramendozavilite :
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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Dana No: Strunz No: 07.GB.45





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