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Cesbronite Mineral Data

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General Cesbronite Information

Help on Chemical  Formula: Chemical Formula: Cu5(TeO3)2(OH)6•2(H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Cu5(TeO3)2(OH)6•2(H2O)
Help on Environment: Environment: Secondary mineral.
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Bambollita ("La Oriental") mine, Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Fabien Cesbron (1938-), French mineralogist, Bureau de Recherches Geologiques et Miniere, Orleans. France.

Cesbronite Image

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Comments: Minute green spherical cesbronite on calcite.
Location: Mina La Oriental, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cesbronite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.726:1:0.4943
Help on Cell Dimensions: Cell Dimensions: a = 8.624, b = 11.878, c = 5.872, Z = 2; V = 601.50 Den(Calc)= 4.46
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bcn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.934(1), 3.49(0.92), 4.889(0.71),

Physical Properties of Cesbronite

Help on Cleavage: Cleavage: {021} Good, {010} Indistinct
Help on Color: Color: Green.
Help on Density: Density: 4.45
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: light green

Optical Properties of Cesbronite

Help on Gladstone-Dale: 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
Help on Optical Data: Optical Data: Biaxial (+), a=1.88, b=1.928, g=2.029, bire=0.1490, 2V(Calc)=74, 2V(Meas)=72. Dispersion r > v.
Help on Pleochroism (x): Pleochroism (x): pale bluish green.
Help on Pleochroism (y): Pleochroism (y): rich yellow green.
Help on Pleochroism (z): Pleochroism (z): deep emerald green.

Calculated Properties of Cesbronite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.10 gm/cc
note: Specific Gravity of Cesbronite =4.46 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PECesbronite = 123.60 barns/electron
U=PECesbronite x rElectron Density= 506.84 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cesbronite is Not Radioactive

Cesbronite Classification

Help on  Dana Class: Dana Class: (33)Selenates and Tellurates
  (33.02)as A+ (B++)m XO6 Zq � x(H2O) where x can equal 0
  (33.02.07)Dana Group Cesbronite Cu5(TeO3)2(OH)6•2(H2O) P bcn 2/m 2/m 2/m
Help on  Strunz Class: 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
04.JN.15 Cesbronite Cu5(TeO3)2(OH)6•2(H2O) P bcn 2/m 2/m 2/m
04.JN.15 Cesbronite-x Cu5(TeO3)2(OH)6•2(H2O) P bcn 2/m 2/m 2/m

Other Cesbronite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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

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Dana No: Strunz No: 04.JN.15





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