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Cesbronite Mineral Data |
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Cesbronite Mineral Data |
General Cesbronite Information |
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 Chemical Formula: |
Cu5(TeO3)2(OH)6•2(H2O) | ||
| Composition: |
Molecular Weight = 807.00 gm | ||
| Copper 39.37 % Cu 49.28 % CuO | |||
| Tellurium 31.62 % Te 39.55 % TeO2 | |||
| Hydrogen 1.25 % H 11.16 % H2O | |||
| Oxygen 27.76 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Cu5(TeO3)2(OH)6•2(H2O) | ||
| Environment: |
Secondary mineral. | ||
| IMA Status: |
Approved IMA 1974 | ||
| Locality: |
Bambollita ("La Oriental") mine, Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Fabien Cesbron (1938-), French mineralogist, Bureau de Recherches Geologiques et Miniere, Orleans. France. | ||
Cesbronite Image | |||
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Images:
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Cesbronite Crystallography |
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| Axial Ratios: |
a:b:c =0.726:1:0.4943 | ||
| Cell Dimensions: |
a = 8.624, b = 11.878, c = 5.872, Z = 2; V = 601.50 Den(Calc)= 4.46 | ||
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bcn | ||
| X Ray Diffraction: |
By Intensity(I/Io): 5.934(1), 3.49(0.92), 4.889(0.71), | ||
Physical Properties of Cesbronite |
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| Cleavage: |
{021} Good, {010} Indistinct | ||
| Color: |
Green. | ||
| Density: |
4.45 | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Habit: |
Spherical - Spherical, rounded aggregates. | ||
| Hardness: |
3 - Calcite | ||
| Luminescence: |
Non-fluorescent. | ||
| Luster: |
Subadamantine | ||
| Streak: |
light green | ||
Optical Properties of Cesbronite |
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| Gladstone-Dale: |
CI meas= -0.056 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.054 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.212,KPDmeas= 0.2125,KC= 0.2012 Ncalc = 1.9 |
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| Optical Data: |
Biaxial (+), a=1.88, b=1.928, g=2.029, bire=0.1490, 2V(Calc)=74, 2V(Meas)=72. Dispersion r > v. | ||
| Pleochroism (x): |
pale bluish green. | ||
| Pleochroism (y): |
rich yellow green. | ||
| Pleochroism (z): |
deep emerald green. | ||
Calculated Properties of Cesbronite |
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| Electron Density: |
Bulk Density (Electron Density)=4.10 gm/cc note: Specific Gravity of Cesbronite =4.46 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.02 Boson Index = 0.98 |
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| Photoelectric: |
PECesbronite = 123.60 barns/electron U=PECesbronite x rElectron Density= 506.84 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cesbronite is Not Radioactive |
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Cesbronite Classification |
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| Dana Class: |
33.02.07.01 (33)Selenates and Tellurates | ||
| (33.02)as A+ (B++)m XO6 Zq � x(H2O) where x can equal 0 | |||
| (33.02.07)Dana Group | |||
| Strunz Class: |
04.JN.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate | ||
| 04.J - Arsenites, Antimonites, Bismuthites, Sulfites, | |||
| 04.JN -Tellurites with additional anions, with H2O | |||
Other Cesbronite 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 Cesbronite : 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 Cesbronite using: Visit our Advertisers for Cesbronite : Ask about Cesbronite here : Print or Cut-and-Paste your Cesbronite Specimen Label here :
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