Bellingerite Mineral Data

Bellingerite Mineral Data +

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General Bellingerite Information

Chemical Formula:

Cu++3(IO3)6·2(H2O)

Composition:

Molecular Weight = 1,276.08 gm

Copper 14.94 % Cu 18.70 % CuO

Hydrogen 0.32 % H 2.82 % H₂O

Iodine 59.67 % I 78.48 % I₂O₅

Oxygen 25.08 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu₃(IO₃)₆·2(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1940

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 2063

PDF 19-393

Bellingerite Image

Images:

Bellingerite

Comments: Green crystal of bellingerite on matrix.
Location: Chuquicamata, Antofagasta, Chile. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Bellingerite Crystallography

Axial Ratios:

a:b:c =0.9232:1:1.0141

Cell Dimensions:

a = 7.228, b = 7.829, c = 7.94, Z = 1; alpha = 105°, beta = 96.98°, gamma = 92.94° V = 430.22 Den(Calc)= 4.93

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 3.72(1), 3.17(0.9), 3.35(0.9),

Forms:

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Crystal Structure:

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Ghose S , Wan C , Acta Crystallographica, Section B , 30 (1974) p.965-974, Structural chemistry of copper and zinc minerals. II. Stereochemistry, of copper(II) and iodine(V) in bellingerite, 3Cu(IO3)2.2H2O, Locality: Chuquicamata, Chile

Physical Properties of Bellingerite

Cleavage:

[???] Indistinct

Color:

Light green.

Density:

4.89

Diaphaniety:

Transparent to Translucent

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Hardness:

4 - Fluorite

Luster:

Vitreous (Glassy)

Streak:

light green

Optical Properties of Bellingerite

Gladstone-Dale:

CI meas= 0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.033 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.188,KPDmeas= 0.1895,KC= 0.1944

Optical Data:

Biaxial (+), a=1.89, b=1.9, g=1.99, bire=0.1000, 2V(Calc)=40, 2V(Meas)=50.

Calculated Properties of Bellingerite

Electron Density:

r_electron=4.36 gm/cc
note: r_Bellingerite=4.89 gm/cc.

Fermion Index

Fermion Index = 0.00012
Boson Index = 0.99988

Photoelectric:

PE_Bellingerite= 232.40 barns/electron
U=PE_Bellingerite x r_electron=1,013.45 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Bellingerite is Not Radioactive

Bellingerite Classification

Dana Class:

21.1.3.1 (21)Iodates - Anhydrous and Hydrated

(21.1)with miscellaneous formulae

(21.1.3)Dana Group

21.1.3.1 Bellingerite Cu3(IO3)6·2(H2O) P1 1

Strunz Class:

IV/L.02-20 IV - Oxides

IV/L - Iodates with [IO3]1- groups

IV/L.02 - Salesite - Bellingerite series

IV/L.02-10 Salesite Cu(IO3)(OH) P nma 2/m 2/m 2/m

IV/L.02-20 Bellingerite Cu3(IO3)6·2(H2O) P1 1

Other Bellingerite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Bellingerite :
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 - WWW-MINCRYST 13 -École des Mines de Paris

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Bellingerite

Cu++3(IO3)6·2(H2O)
Dana No: 21.1.3.1 Strunz No: IV/L.02-20
Locality:

Notes: