Aravaipaite Mineral Data + 
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- 11.6.19.1 Aravaipaite Pb3AlF9·(H2O) P 21/m 2/m
- III/C.04-10 Aravaipaite Pb3AlF9·(H2O) P 21/m 2/m
- III/C.04-20 Calcioaravaipaite! PbCa2Al(F,OH)9 C1 1
General Aravaipaite Information |
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 Chemical Formula: |
Pb3AlF9·(H2O) | ||
| 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 | |||
| 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. | ||
Aravaipaite Image | |||
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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 - PrismaticH-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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Crystal Structure:
Mouse |
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Physical Properties of Aravaipaite |
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| Cleavage: |
[100] Perfect, [110] Good, [010] Good | ||
| Color: |
Colorless. | ||
| Diaphaniety: |
Transparent | ||
| Fracture: |
Flexible - Flexible fragments. | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
2 - Gypsum | ||
| Luminescence: |
Non-fluorescent. | ||
| Luster: |
Vitreous - Pearly | ||
| Streak: |
white | ||
Optical Properties of Aravaipaite |
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| Gladstone-Dale: |
CI calc= 0.245 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1026,KC= 0.1358 |
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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. | ||
Calculated Properties of Aravaipaite |
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| Electron Density: |
relectron=5.60 gm/cc |
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| Fermion Index |
Fermion Index = 0.16402 Boson Index = 0.83598 |
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| Photoelectric: |
PEAravaipaite =1,363.39 barns/electron |
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| 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: |
11.6.19.1 (11)Halide Complexes; Alumino-fluorides | ||
| (11.6)with miscellaneous formulae | |||
| (11.6.19)Dana Group | |||
| Strunz Class: |
III/C.04-10 III - Halogenides | ||
| III/C - Double halogenides with water, Fluorides | |||
| III/C.04 - Aravaipaite - Calcioaravaipaite series | |||
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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Aravaipaite using: Visit our Advertisers for Aravaipaite : Translate Aravaipaite Mineral Data : Ask about Aravaipaite here : Print or Cut-and-Paste your Aravaipaite Specimen Label here :
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