Mineralogy Database

Aravaipaite Mineral Data

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General Aravaipaite Information

Help on Chemical  Formula: Chemical Formula: Pb3AlF9•(H2O)
Help on Composition: Composition: Molecular Weight = 837.58 gm
   Aluminum   3.22 %  Al    6.09 % Al2O3
   Hydrogen   0.24 %  H     2.15 % H2O
   Lead      74.21 %  Pb   79.94 % PbO
   Oxygen     1.91 %  O
   Fluorine  20.41 %  F    20.41 % F
               -   %   F    -8.60 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb3AlF9•(H2O)
Help on Environment: Environment: Reaction of supergene solutions on galena and fluorite.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Grand Reef mine, Laurel Canyon, Graham County, Arizona. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Aravaipa mining district.
Help on Name Pronunciation: Name Pronunciation: Aravaipaite + Pronunciation Say ARAVAIPAITE

Aravaipaite Image

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Comments: Colorless thin tabular crystals of aravaipaite.
Location: Grand Reef Mine, Aravaipa District, Graham County, Arizona, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Aravaipaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =4.2847:1:0.9717
Help on Cell Dimensions: Cell Dimensions: a = 25.048, b = 5.8459, c = 5.6805, Z = 4; beta = 94.01° V = 829.75 Den(Calc)= 6.70
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.493(1)(200), 3.2358(0.89)(511), 3.1233(0.54)(800), 3.0803(0.47)(511), 3.3336(0.46)(411), 2.9032(0.46)(120), 3.4905(0.46)(411), 2.036(0.4)(122), 2.8333(

Physical Properties of Aravaipaite

Help on Cleavage: Cleavage: {100} Perfect, {110} Good, {010} Good
Help on Color: Color: Colorless.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white

Optical Properties of Aravaipaite

Help on Optical Data: Optical Data: Biaxial (-), a=1.678, b=1.69, g=1.694, bire=0.0160, 2V(Calc)=58, 2V(Meas)=70. Dispersion r < v strong.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.

Calculated Properties of Aravaipaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.60 gm/cc
note: Specific Gravity of Aravaipaite =6.70 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.16
Boson Index = 0.84
Help on Photoelectric: Photoelectric: PEAravaipaite =1,363.39 barns/electron
U=PEAravaipaite x rElectron Density=7,634.24 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Aravaipaite is Not Radioactive

Aravaipaite Classification

Help on  Dana Class: Dana Class: (11)Halide Complexes; Alumino-fluorides
  (11.06)with miscellaneous formulae
  (11.06.19)Dana Group Aravaipaite Pb3AlF9•(H2O) P 21/m 2/m
Help on  Strunz Class: Strunz Class: 03.DC.35 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DC -With Pb (As,Sb,Bi), without Cu
03.DC.35 Aravaipaite Pb3AlF9•(H2O) P 21/m 2/m

Other Aravaipaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(AmMin, v 86, p 927) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Aravaipaite :
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: 03.DC.35





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