Viseite Mineral Data
General Viseite Information
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 % Al2 O3
Silicon 4.27 % Si 9.14 % SiO2
Phosphorus 5.50 % P 12.59 % P2 O5
Hydrogen 3.68 % H 32.88 % H2 O
Oxygen 59.22 % O
Fluorine 1.44 % F 1.44 % F
- %
F -0.61 % -O=F2
______ ______
100.00 % 99.39 % = TOTAL OXIDE
Empirical Formula:
Ca10 Al23 (SiO4 )6 (PO4 )7 O22 F3 •72(H2 O)
IMA Status:
Valid Species (Pre-IMA) 1942
Locality:
Vise, Belgium. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Viseite Image
Images:
Viseite Crystallography
Cell Dimensions:
a = 13.65, Z = 1; V = 2,543.30 Den(Calc)= 2.58
Crystal System:
Isometric - Hexoctahedral H-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
Cleavage:
None
Color:
Bluish white, Yellowish white, Lemon white.
Density:
2.2
Diaphaneity:
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
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 Ncalc = 1.54 - 1.63
Optical Data:
Isotropic, n=1.53.
Calculated Properties of Viseite
Electron Density:
Bulk Density (Electron Density)=2.26 gm/cc note: Specific Gravity of Viseite =2.20 gm/cc.
Fermion Index:
Fermion Index = 0.0024218656 Boson Index = 0.9975781344
Photoelectric:
PEViseite = 2.19 barns/electronU=PEViseite x r Electron Density= 4.96 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Viseite is Not Radioactive
Viseite Classification
Dana Class:
43.05.09.01 (43) Compound Phosphates, etc.
(43.05) (Hydrated Compound Anions With Hydroxyl or Halogen)
(43.05.09) Dana Group
43.05.09.01 Viseite Ca10Al24(SiO4)6(PO4)7O22F3•72(H2O)(?) I a3d 4/m 3 2/m
Strunz Class:
08.XX.00 08 - PHOSPHATES, ARSENATES, VANADATES
08.X - Unclassified Strunz PHOSPHATES, ARSENATES, VANADATES
08.XX -Zeolite
08.XX.00 Arsenobismite ? Bi2(AsO4)(OH)3 Unk Ortho
08.XX.00 Coeruleolactite (Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O) P1 1
08.XX.00 Cheralite-(Ce) ? (Ce,Ca,Th)(P,Si)O4 P 21 /n 2/m
08.XX.00 Chernovite-(Ce) * (Ce,Y)(AsO4) I 41 /amd 4/m 2/m 2/m
08.XX.00 Kerstenite ? PbSeO4(?) P nma 2/m 2/m 2/m
08.XX.00 Laubmannite ? Fe3Fe6(PO4)4(OH)12 Unk Ortho
08.XX.00 Spodiosite ? Ca2(PO4)F Pbcm 2/m 2/m 2/m
08.XX.00 Pseudo-autunite * (H3O)4Ca2(UO2)2(PO4)4•5(H2O)(?) Unk Ortho
08.XX.00 Viseite Ca10Al24(SiO4)6(PO4)7O22F3•72(H2O)(?) I a3d 4/m 3 2/m
08.XX.00 Vanuranylite ? (H3O,Ba,Ca,K)1.6(UO2)2V2O8•4(H2O)(?) C 2/c ? 2/m
08.XX.00 Sodium-autunite Na2(UO2)2(PO4)2•8(H2O) P 4/nmm 4/m 2/m 2/m
08.XX.00 Sodium meta-autunite ! Na2(UO2)2(PO4)2•6-8(H2O) P 4/nmm 4/m 2/m 2/m
08.XX.00 Slavkovite ! Cu13(AsO4)6(AsO3OH)4•23(H2O) P1 1
08.XX.00 IMA2000-020 ! Fe4[AsO3OH]5[AsO2(OH)2]2•20(H2O) Ortho Ortho
08.XX.00 Lewisite ! (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m
08.XX.00 Kamarizaite ! Fe3(AsO4)2(OH)3•3H2O Pccm, Pcc2, Pcmm, Pcm21 Ortho
08.XX.00 Lapeyreite ! Cu3O[AsO3(OH)]2•H2O C 2/m 2/m
08.XX.00 IMA2008-063 Pb[Zn0.25,[]0.75]Fe3H(AsO4)2(OH)6 C 2/c 2/m
08.XX.00 IMA2009-002 ! Cu3(AsO4)2 P 21 /c 2/m
08.XX.00 IMA2009-005 (Y,Ca,REE)5[(Si,P)O4]3F P 63 /m 6/m 2/m 2/m
08.XX.00 IMA2009-016 Cu4H(AsO4)2(OH)3•H2O P1 1
Other Viseite Information
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 Viseite :
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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Viseite
Ca10Al24(SiO4)6(PO4)7O22F3•72(H2O) (?)
Dana No: 43.05.09.01 Strunz No: 08.XX.00
Locality:
Notes:
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