Simplotite Mineral Data + 
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- 47.4.8.1 Simplotite CaV4O9·5(H2O) A2/m 2/m
- VII/E.03-10 Sincosite Ca(VO)2(PO4)2·5(H2O) P mmm or P 4/nmm Tetra
- VII/E.03-20 Simplotite CaV4O9·5(H2O) A2/m 2/m
- VII/E.03-30 Bariosincosite! Ba(VO)2(PO4)2·4(H2O) P 4/n or P 4/nmm 4/m
General Simplotite Information |
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 Chemical Formula: |
CaV++++4O9·5(H2O) | ||
| Composition: |
Molecular Weight = 477.92 gm | ||
| Calcium 8.39 % Ca 11.73 % CaO | |||
| Vanadium 42.64 % V 69.42 % VO2 | |||
| Hydrogen 2.11 % H 18.85 % H2O | |||
| Oxygen 46.87 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
CaV4+4O9·5(H2O) | ||
| Environment: |
Sedimentary U-V deposits. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1958 | ||
| Locality: |
Sundown Claim, San Miguel County, Utah, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Jack R. Simplot (1909-) of the Simplot Mining Co., Boise, Idaho, USA. | ||
Search for Simplotite Images | |||
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Images:
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Simplotite Crystallography |
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| Axial Ratios: |
a:b:c =0.4929:1:0.4917 | ||
| Cell Dimensions: |
a = 8.39, b = 17.02, c = 8.37, Z = 4; beta = 90.42° V = 1,195.19 Den(Calc)= 2.66 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 8.51(1), 2.62(0.25), 3.14(0.18), | ||
Physical Properties of Simplotite |
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| Cleavage: |
[010] Perfect | ||
| Color: |
Greenish black, Dark green, Black. | ||
| Density: |
2.64 | ||
| Habit: |
Micaceous - Platy texture with "flexible" plates. | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
1 - Talc | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
brownish black | ||
Optical Properties of Simplotite |
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| Gladstone-Dale: |
CI meas= 0.217 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.223 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2808,KPDmeas= 0.283,KC= 0.3615 |
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| Optical Data: |
Biaxial (-), a=1.705, b=1.767, g=1.769, bire=0.0640, 2V(Calc)=18, 2V(Meas)=25. Dispersion r > v weak. | ||
| Pleochroism (x): |
yellow. | ||
| Pleochroism (y): |
green. | ||
| Pleochroism (z): |
green. | ||
Calculated Properties of Simplotite |
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| Electron Density: |
relectron=2.59 gm/cc |
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| Fermion Index |
Fermion Index = 0.0014 Boson Index = 0.9986 |
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| Photoelectric: |
PESimplotite = 9.09 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Simplotite is Not Radioactive |
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Simplotite Classification |
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| Dana Class: |
47.4.8.1 (47)Vanadium Oxysalts | ||
| (47.4)(Hydrated Containing V++++ and V+++++) | |||
| (47.4.8)Dana Group | |||
| Strunz Class: |
VII/E.03-20 VII - Phosphates, Arsenates and Vanadates | ||
| VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6- | |||
| VII/E.03 - Sincosite - Simplotite series | |||
Other Simplotite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Simplotite : 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 Simplotite using: Visit our Advertisers for Simplotite : Translate Simplotite Mineral Data : Ask about Simplotite here : Print or Cut-and-Paste your Simplotite Specimen Label here :
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