General Bouazzerite Information Chemical Formula: |
Bi6(Mg,Co)11Fe14[AsO4]18O12(OH)4(H2O)86 |
Composition: |
Molecular Weight = 6,531.63 gm |
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Calcium 0.14 % Ca 0.20 % CaO |
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Magnesium 3.14 % Mg 5.21 % MgO |
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Chromium 0.51 % Cr 0.98 % CrO3 |
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Iron 10.77 % Fe 15.40 % Fe2O3 |
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Cobalt 0.43 % Co 0.55 % CoO |
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Silicon 0.14 % Si 0.29 % SiO2 |
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Nickel 0.11 % Ni 0.14 % NiO |
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Bismuth 19.65 % Bi 21.90 % Bi2O3 |
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Arsenic 19.50 % As 29.91 % As2O5 |
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Hydrogen 2.84 % H 25.38 % H2O |
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Oxygen 42.77 % O |
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______ ______ |
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100.00 % 99.96 % = TOTAL OXIDE |
Empirical Formula: |
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Environment: |
From weathering of a Variscan hydrothermal As-Co-Ni-Ag-Au vein. New structure type. |
IMA Status: |
Approved IMA 2005 (Dana # Added) |
Locality: |
"Filon 7", Bou Azzer, Anti-Atlas, Morocco Link to MinDat.org Location Data. |
Name Origin: |
The name recognizes the exceptional significance of the Bou Azzer district and, in particular, of the Bou Azzer mine to mineralogical sciences and mineral collecting. |
Synonym: |
IMA2005-042 |
| | Bouazzerite Image
Images:
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Bouazzerite Crystallography Axial Ratios: |
a:b:c =0.4474:1:0.606 |
Cell Dimensions: |
a = 13.6322, b = 30.469, c = 18.4671, Z = 2; beta = 91.134° V = 7,668.98 Den(Calc)= 2.83 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n |
X Ray Diffraction: |
By Intensity(I/Io): 11.79(1)(021), 7.9(0.8)(022), 10.16(0.8)(120),10.98(0.8)(101), 12.45(0.7)(110), 15.78(0.6)(011), 3.153(0.4)(353), 3.414(0.4)(333), |
| Physical Properties of Bouazzerite Cleavage: |
{100} Good, {021} Distinct |
Color: |
Apple green. |
Diaphaneity: |
Translucent |
Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Habit: |
Triangular Crystals - Occurs as triangular shaped crystals. |
Luster: |
Adamantine |
Streak: |
white |
| Optical Properties of Bouazzerite Gladstone-Dale: |
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.2327,KC= 0.2327 Ncalc = 1.66 Optical Data: |
Biaxial (?), a=1.657, g=1.66, bire=0.0030 |
| Calculated Properties of Bouazzerite Electron Density: |
Bulk Density (Electron Density)=2.70 gm/cc |
note: Specific Gravity of Bouazzerite =2.83 gm/cc. Fermion Index: |
Fermion Index = 0.0062003942 |
Boson Index = 0.9937996058 Photoelectric: |
PEBouazzerite = 347.79 barns/electron |
U=PEBouazzerite x rElectron Density= 940.67 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Bouazzerite is Not Radioactive | Bouazzerite Classification Dana Class: |
42.07.17.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.07)where (AB)5 (XO4)3 Zq · x(H2O) |
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(42.07.17)Dana Group |
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Strunz Class: |
08.DH.60 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DH -With large and medium-sized cations, (OH, etc.):RO4 < 1:1 |
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| Other Bouazzerite Information References: |
NAME( AmMin, v92:1630) PHYS. PROP.(AmMin, v92:1630) OPTIC PROP.(AmMin, v92:1630) |
See Also: |
Links to other databases for Bouazzerite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Bouazzerite using: Visit our Advertisers for Bouazzerite : A Bijoux Google Search for BouazzeriteAdam's Minerals Google Search for Bouazzerite Cape Minerals Google Search for Bouazzerite Dakota Matrix Minerals Google Search for Bouazzerite Excalibur Mineral Corp. Google Search for Bouazzerite Exceptional Minerals Google Search for Bouazzerite John Betts Fine Minerals Search for Bouazzerite McDougall Minerals Google Search for Bouazzerite Mineral News Website Link Rock and Mineral Shows Google Search for Bouazzerite Weinrich Minerals, Inc. Google Search for Bouazzerite Ask about Bouazzerite here : Print or Cut-and-Paste your Bouazzerite Specimen Label here :
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