| Weilerite Mineral Data |
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- 43.4.1.1 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3m 3 2/m
- 43.4.1.2 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
- 43.4.1.3 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3m 3 2/m
- 43.4.1.4 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3m 3 2/m
- 43.4.1.5 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3m 3 2/m
- 43.4.1.6 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3m 3 2/m
- 43.4.1.7 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3m 3 2/m
- 43.4.1.8 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3m 3 2/m
- 43.4.1.9 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3m 3 2/m
- 43.4.1.10 Gallobeudantite! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
General Weilerite Information |
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 Chemical Formula: |
BaAl3H[(As,P)O4]2(OH)6 | ||
| Composition: |
Molecular Weight = 577.19 gm | ||
| Barium 23.79 % Ba 26.56 % BaO | |||
| Aluminum 14.02 % Al 26.50 % Al2O3 | |||
| Arsenic 19.47 % As 29.87 % As2O5 | |||
| Phosphorus 2.68 % P 6.15 % P2O5 | |||
| Hydrogen 1.22 % H 10.92 % H2O | |||
| Oxygen 38.81 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
BaAl3H(AsO4)1.5(PO4)0.5(OH)6 | ||
| Environment: |
Redefined in 1987. | ||
| IMA Status: |
Approved IMA 1961 | ||
| Locality: |
Weiler and Neubulach, Black Forest, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
Search for Weilerite Images | |||
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Images:
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Weilerite Crystallography |
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| Axial Ratios: |
a:c = 1:2.44444 | ||
| Cell Dimensions: |
a = 7.11, c = 17.38, Z = 3; V = 760.89 Den(Calc)= 3.78 | ||
| Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.01(1), 5.8(0.8), 3.54(0.7), | ||
Physical Properties of Weilerite |
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| Color: |
White. | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Hardness: |
5 - Apatite | ||
| Luster: |
Vitreous (Glassy) | ||
Optical Properties of Weilerite |
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| Gladstone-Dale: |
CI calc= 0.012 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1833,KC= 0.1856 |
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| Optical Data: |
Uniaxial (-), e=1.688, w=1.698, bire=0.0100. | ||
Calculated Properties of Weilerite |
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| Electron Density: |
relectron=3.55 gm/cc |
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| Fermion Index |
Fermion Index = 0.04259 Boson Index = 0.95741 |
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| Photoelectric: |
PEWeilerite = 115.58 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Weilerite is Not Radioactive |
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Weilerite Classification |
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| Dana Class: |
43.4.1.9 (43)Compound Phosphates, etc. | ||
| (43.4)(Anhydrous Compound Anions With Hydroxyl or Halogen) | |||
| (43.4.1)Dana Group | |||
| Strunz Class: |
VII/X.00-00 VII - Phosphates, Arsenates and Vanadates | ||
| VII/X - Unclassified Strunz Phosphates, Arsenates and Vanadates | |||
| VII/X.00 - Beudantite Group | |||
Other Weilerite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Weilerite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST Search for Weilerite using: Visit our Advertisers for Weilerite : Translate Weilerite Mineral Data : Ask about Weilerite here : Print or Cut-and-Paste your Weilerite Specimen Label here :
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