Cesbronite-x Mineral Data

Cesbronite-x Mineral Data

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General Cesbronite-x Information

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.

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Cesbronite-x Crystallography

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 - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bcn

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 5.93(1), 3.49(0.9), 2.36(0.7),4.89(0.7), 2.38(0.4), 1.59(0.3), 1.7(0.3), 2.16(0.3),

Physical Properties of Cesbronite-x

Cleavage:

[021] Good, [010] Poor

Color:

Bright emerald green.

Density:

4.45

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Spherical - Spherical, rounded aggregates.

Hardness:

3 - Calcite

Luster:

Subadamantine

Streak:

green

Optical Properties of Cesbronite-x

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

Optical Data:

Biaxial (+), a=1.88, b=1.928, g=2.029, bire=0.1490, 2V(Calc)=74, 2V(Meas)=72. Dispersion r > v.

Calculated Properties of Cesbronite-x

Electron Density:

r_electron=4.10 gm/cc
note: r_Cesbronite-x=4.46 gm/cc.

Fermion Index

Fermion Index = 0.0254
Boson Index = 0.9746

Photoelectric:

PE_Cesbronite-x= 123.60 barns/electron
U=PE_Cesbronite-x x r_electron= 506.84 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Cesbronite-x is Not Radioactive

Cesbronite-x Classification

Dana Class:

34.7.2.1 (34)Selenites - Tellurites - Sulfites

(34.7)Dana Type

(34.7.2)Dana Group

34.7.2.1 Cesbronite-x Cu5(TeO3)2(OH)6·2(H2O) P bcn 2/m 2/m 2/m

Strunz Class:

IV/K.06-30* IV - Oxides

IV/K - Sulfides, selenides, tellurides with [XO3]2- groups and related structures

IV/K.06 - Chalcomenite - Cesbronite series

IV/K.06-10 Chalcomenite CuSeO3·2(H2O) P 2₁2₁2₁ 2 2 2

IV/K.06-20 Teineite CuTeO3·2(H2O) P 2₁2₁2₁ 2 2 2

IV/K.06-30 Cesbronite Cu5(TeO3)2(OH)6·2(H2O) P bcn 2/m 2/m 2/m

IV/K.06-30* Cesbronite-x Cu5(TeO3)2(OH)6·2(H2O) P bcn 2/m 2/m 2/m

Other Cesbronite-x Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Cesbronite-x :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Print or Cut-and-Paste your Cesbronite-x Specimen Label here :

Cesbronite-x

Cu5(TeO3)2(OH)6·2(H2O)
Dana No: 34.7.2.1 Strunz No: IV/K.06-30*
Locality:

Notes: