General Cesplumtantite Information Chemical Formula: |
(Cs,Na,Ca)2(Pb,Sb+++,Sn)3Ta8O24 |
Composition: |
Molecular Weight = 2,479.94 gm |
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Cesium 4.82 % Cs 5.11 % Cs2O |
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Sodium 0.56 % Na 0.75 % Na2O |
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Calcium 0.65 % Ca 0.90 % CaO |
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Tantalum 52.53 % Ta 64.15 % Ta2O5 |
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Niobium 2.25 % Nb 3.22 % Nb2O5 |
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Tin 2.87 % Sn 1.63 % SnO / 1.82 % SnO2 |
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Antimony 2.45 % Sb 2.94 % Sb2O3 |
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Lead 18.38 % Pb 19.80 % PbO |
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Oxygen 15.48 % O |
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______ ______ |
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100.00 % 100.32 % = TOTAL OXIDE |
Empirical Formula: |
Cs0.9Na0.6Ca0.4Pb2.2Sb0.5Sn0.3Ta7.2Nb0.6Sn0.3O24 |
Environment: |
Veinlets in thoreaulite. |
IMA Status: |
Approved IMA 1986 |
Locality: |
Manono, Shaba, Zaire. Link to MinDat.org Location Data. |
Name Origin: |
Named for the composition (CESium, PLUMium (lead), and TANTalum). |
| | Cesplumtantite Image
Images:
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Cesplumtantite Crystallography Axial Ratios: |
a:c = 1:0.47557 |
Cell Dimensions: |
a = 13.552, c = 6.445, Z = 2; V = 1,183.67 Den(Calc)= 6.96 |
Crystal System: |
TetragonalSpace Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 3.054(1), 1.593(0.7), 1.869(0.7), |
| Physical Properties of Cesplumtantite Cleavage: |
None |
Color: |
Colorless. |
Diaphaneity: |
Transparent |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
7 - Quartz |
Luster: |
Adamantine |
Streak: |
white |
| Optical Properties of Cesplumtantite Optical Data: |
Uniaxial (?). |
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NCalc= 2.06 - from Gladstone-Dale relationship (KC = 0.1521) where Ncalc=Dcalc*KC+1 |
RL Anisotrophism: |
Strong. |
RL Bireflectance: |
Weak. |
Reflectivity |
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| Calculated Properties of Cesplumtantite Electron Density: |
Bulk Density (Electron Density)=5.85 gm/cc |
note: Specific Gravity of Cesplumtantite =6.96 gm/cc. Fermion Index: |
Fermion Index = 0.04 |
Boson Index = 0.96 Photoelectric: |
PECesplumtantite =1,023.11 barns/electron |
U=PECesplumtantite x rElectron Density=5,985.13 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Cesplumtantite is Not Radioactive | Cesplumtantite Classification Dana Class: |
08.07.11.01 (08)Multiple Oxides with Nb, Ta, and Ti |
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(08.07)Dana Type |
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(08.07.11)Dana Group |
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Strunz Class: |
04.DM.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DM -With large (± medium-sized) cations; unclassified |
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| Other Cesplumtantite Information References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.74,p501,1989) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Cesplumtantite : |
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 Search for Cesplumtantite using: Visit our Advertisers for Cesplumtantite : A Bijoux Google Search for CesplumtantiteAdam's Minerals Google Search for Cesplumtantite Cape Minerals Google Search for Cesplumtantite Dakota Matrix Minerals Google Search for Cesplumtantite Excalibur Mineral Corp. Google Search for Cesplumtantite Exceptional Minerals Google Search for Cesplumtantite John Betts Fine Minerals Search for Cesplumtantite McDougall Minerals Google Search for Cesplumtantite Mineral News Website Link Rock and Mineral Shows Google Search for Cesplumtantite Weinrich Minerals, Inc. Google Search for Cesplumtantite Ask about Cesplumtantite here : Print or Cut-and-Paste your Cesplumtantite Specimen Label here :
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