Oboyerite Mineral Data

General Oboyerite Information

Chemical Formula:

Pb6H6(Te++++O3)3(Te++++++O6)2•2(H2O)

Composition:

Molecular Weight = 2,259.27 gm

Tellurium 28.24 % Te 35.32 % TeO₂

Hydrogen 0.45 % H 3.99 % H₂O

Lead 55.03 % Pb 59.28 % PbO

Oxygen 16.29 % O

______ ______

100.00 % 98.58 % = TOTAL OXIDE

Empirical Formula:

Pb₆H₆(TeO₃)₃(TeO₆)₂•2(H₂O)

Environment:

In an altered, mineralized shale.

IMA Status:

Approved IMA 1979

Locality:

Grand Central mine, Tombstone, Arizona, USA. Link to MinDat.org Location Data.

Name Origin:

Named for O. (Oliver) Boyer, one of the men who first staked the Grand Central lode claim in the Tombstone district, Arizona, USA.

Name Pronunciation:

Oboyerite + Pronunciation

Oboyerite Crystallography

Axial Ratios:

a:b:c =0.8104:1:0.4544

Cell Dimensions:

a = 12.249, b = 15.113, c = 6.868, Z = 2; alpha = 116.45°, beta = 98.58°, gamma = 85.82° V = 1,122.58 Den(Calc)= 6.68

Crystal System:

Triclinic Space Group: P1 or P1

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

By Intensity(I/I_o): 3.04(1), 3.18(0.7), 2.976(0.5),

Physical Properties of Oboyerite

Cleavage:

{???} Perfect

Color:

White, Milky white.

Density:

6.4

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Habit:

Spherical - Spherical, rounded aggregates.

Hardness:

1.5 - Between Talc and Gypsum

Luminescence:

Non-fluorescent.

Streak:

white

Optical Properties of Oboyerite

Gladstone-Dale:

CI meas= -0.195 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.147 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1874,KPDmeas= 0.1953,KC= 0.1634
Ncalc = 2.05 - 2.09

Optical Data:

Biaxial (?), a=2.24, g=2.26, bire=0.0200

Calculated Properties of Oboyerite

Electron Density:

Bulk Density (Electron Density)=5.59 gm/cc
note: Specific Gravity of Oboyerite =6.67 gm/cc.

Fermion Index:

Fermion Index = 0.14
Boson Index = 0.86

Photoelectric:

PE_Oboyerite=1,112.17 barns/electron
U=PE_Oboyerite x rElectron Density=6,212.29 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Oboyerite is Not Radioactive

Oboyerite Classification

Dana Class:

34.08.03.01 (34)Selenites - Tellurites - Sulfites

(34.08)Dana Type

(34.08.03)Dana Group

34.08.03.01 Oboyerite Pb6H6(TeO3)3(TeO6)2•2(H2O) P1 or P1 Tri

Strunz Class:

04.JN.25 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.25 Oboyerite Pb6H6(TeO3)3(TeO6)2•2(H2O) P1 or P1 Tri

Other Oboyerite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Oboyerite :
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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Print or Cut-and-Paste your Oboyerite Specimen Label here :

Oboyerite

Pb6H6(Te++++O3)3(Te++++++O6)2•2(H2O)
Dana No: 34.08.03.01 Strunz No: 04.JN.25
Locality:

Notes:

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