| Viseite Mineral Data |
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- 43.5.9.1 Viseite Ca10Al24(SiO4)6(PO4)7O22F3·72(H2O)(?) I a3d 4/m 3 2/m
- VIII/J.20-10 Perhamite Ca3Al7(SiO4)3(PO4)4(OH)3·16.5(H2O) P 6/mmm 6/m 2/m 2/m
- VIII/J.20-20 Viseite Ca10Al24(SiO4)6(PO4)7O22F3·72(H2O)(?) I a3d 4/m 3 2/m
- VIII/J.20-30 Tschortnerite! Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]·x(H2O),x>=20 F m3m 4/m 3 2/m
General Viseite Information |
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 Chemical Formula: |
Ca10Al24(SiO4)6(PO4)7O22F3·72(H2O) (?) | ||
| Composition: |
Molecular Weight = 3,944.74 gm | ||
| Calcium 10.16 % Ca 14.22 % CaO | |||
| Aluminum 15.73 % Al 29.72 % Al2O3 | |||
| Silicon 4.27 % Si 9.14 % SiO2 | |||
| Phosphorus 5.50 % P 12.59 % P2O5 | |||
| Hydrogen 3.68 % H 32.88 % H2O | |||
| Oxygen 59.22 % O | |||
| Fluorine 1.44 % F 1.44 % F | |||
| - % F -0.61 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 99.39 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca10Al23(SiO4)6(PO4)7O22F3·72(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1942 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
Viseite Image | |||
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Images:
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Viseite Crystallography |
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| Cell Dimensions: |
a = 13.65, Z = 1; V = 2,543.30 Den(Calc)= 2.58 | ||
| Crystal System: |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.92(1), 1.74(0.6), 3.46(0.5), | ||
Physical Properties of Viseite |
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| Cleavage: |
None | ||
| Color: |
Bluish white, Yellowish white, Lemon white. | ||
| Density: |
2.2 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Hardness: |
3-4 - Calcite-Fluorite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Viseite |
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| Gladstone-Dale: |
CI meas= 0.02 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.165 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2054,KPDmeas= 0.2409,KC= 0.2459 |
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| Optical Data: |
Isotropic, n=1.53. | ||
Calculated Properties of Viseite |
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| Electron Density: |
relectron=2.26 gm/cc |
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| Fermion Index |
Fermion Index = 0.00242 Boson Index = 0.99758 |
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| Photoelectric: |
PEViseite = 2.19 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Viseite is Not Radioactive |
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Viseite Classification |
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| Dana Class: |
43.5.9.1 (43)Compound Phosphates, etc. | ||
| (43.5)(Hydrated Compound Anions With Hydroxyl or Halogen) | |||
| (43.5.9)Dana Group | |||
| Strunz Class: |
VIII/J.20-20 VIII - Silicates | ||
| VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites | |||
| VIII/J.20 - Perhamite - Viseite series | |||
Other Viseite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Viseite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Viseite using: Visit our Advertisers for Viseite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Viseite Mineral Data : Ask about Viseite here : Print or Cut-and-Paste your Viseite Specimen Label here :
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