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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Aravaipaite Mineral Data
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General Aravaipaite Information
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Chemical Formula: |
Pb3AlF9•(H2O) |
Composition: |
Molecular Weight = 837.58 gm |
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Aluminum 3.22 % Al 6.09 % Al2O3 |
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Hydrogen 0.24 % H 2.15 % H2O |
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Lead 74.21 % Pb 79.94 % PbO |
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Oxygen 1.91 % O |
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Fluorine 20.41 % F 20.41 % F |
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- %
F -8.60 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Pb3AlF9•(H2O) |
Environment: |
Reaction of supergene solutions on galena and fluorite. |
IMA Status: |
Approved IMA 1989 |
Locality: |
Grand Reef mine, Laurel Canyon, Graham County, Arizona. Link to MinDat.org Location Data. |
Name Origin: |
Named for the Aravaipa mining district. |
Name Pronunciation: |
Aravaipaite + Pronunciation |
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Aravaipaite Image |
Images:
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Aravaipaite Crystallography
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Axial Ratios: |
a:b:c =4.2847:1:0.9717 |
Cell Dimensions: |
a = 25.048, b = 5.8459, c = 5.6805, Z = 4; beta = 94.01° V = 829.75 Den(Calc)= 6.70 |
Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m |
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( |
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Physical Properties of Aravaipaite
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Cleavage: |
{100} Perfect, {110} Good, {010} Good |
Color: |
Colorless. |
Diaphaneity: |
Transparent |
Fracture: |
Flexible - Flexible fragments. |
Habit: |
Platy - Sheet forms (e.g. micas). |
Hardness: |
2 - Gypsum |
Luminescence: |
Non-fluorescent. |
Luster: |
Vitreous - Pearly |
Streak: |
white |
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Optical Properties of Aravaipaite
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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. |
Pleochroism (x): |
colorless. |
Pleochroism (y): |
colorless. |
Pleochroism (z): |
colorless. |
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Calculated Properties of Aravaipaite
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Electron Density: |
Bulk Density (Electron Density)=5.60 gm/cc note: Specific Gravity of Aravaipaite =6.70 gm/cc. |
Fermion Index: |
Fermion Index = 0.16 Boson Index = 0.84 |
Photoelectric: |
PEAravaipaite =1,363.39 barns/electron U=PEAravaipaite x rElectron Density=7,634.24 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Aravaipaite is Not Radioactive |
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Aravaipaite Classification
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Dana Class: |
11.06.19.01 (11)Halide Complexes; Alumino-fluorides |
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(11.06)with miscellaneous formulae |
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(11.06.19)Dana Group |
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11.06.19.01 Aravaipaite Pb3AlF9•(H2O) P 21/m 2/m |
Strunz Class: |
03.DC.35 03 - HALIDES |
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03.D - Oxyhalides, Hydroxyhalides and Related Double Halides |
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03.DC -With Pb (As,Sb,Bi), without Cu |
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03.DC.35 Aravaipaite Pb3AlF9•(H2O) P 21/m 2/m |
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Other Aravaipaite Information
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References: |
NAME( Dana8) PHYS. PROP.(AmMin, v 86, p 927) OPTIC PROP.(Dana8) |
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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Print or Cut-and-Paste your Aravaipaite Specimen Label here :
Aravaipaite
Pb3AlF9•(H2O)
Dana No: 11.06.19.01 Strunz No: 03.DC.35
Locality:
Notes:
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