Khinite Mineral Data

General Khinite Information

Chemical Formula:

PbCu++3Te++++++O6(OH)2

Composition:

Molecular Weight = 655.45 gm

Copper 29.09 % Cu 36.41 % CuO

Tellurium 19.47 % Te 24.35 % TeO₂

Hydrogen 0.31 % H 2.75 % H₂O

Lead 31.61 % Pb 34.05 % PbO

Oxygen 19.53 % O

______ ______

100.00 % 97.56 % = TOTAL OXIDE

Empirical Formula:

PbCu₃(TeO₆)(OH)₂

Environment:

Forms by oxidation of gold-telluride ores in highly acidic minewaters. Secondary telluate mineral.

IMA Status:

Approved IMA 1978

Locality:

Old Guard mine, Tombstone, AZ, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Ba Saw Khin (1931-), Burmese-American geologist and petrographier.

Name Pronunciation:

Khinite

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Khinite Crystallography

Axial Ratios:

a:b:c =0.5738:1:2.3979

Cell Dimensions:

a = 5.7491, b = 10.0176, c = 24.022, Z = 8; V = 1,383.48 Den(Calc)= 6.29

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: F ddd

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

By Intensity(I/I_o): 2.491(1), 3.451(0.9), 4.866(0.8),

Physical Properties of Khinite

Cleavage:

{001} Distinct

Color:

Dark green.

Density:

6.5 - 7, Average = 6.75

Diaphaneity:

Transparent

Fracture:

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

Hardness:

3.5 - Copper Penny

Luminescence:

Non-fluorescent.

Luster:

Adamantine

Streak:

green

Optical Properties of Khinite

Gladstone-Dale:

CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.085 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1795,KPDmeas= 0.1673,KC= 0.1655
Ncalc = 2.04 - 2.16

Optical Data:

Biaxial (+), a=2.11, b=2.112, g=2.165, bire=0.0550, 2V(Calc)=24, 2V(Meas)=20. Dispersion strong.

Pleochroism (x):

vivid emerald green.

Pleochroism (y):

yellowish green.

Pleochroism (z):

yellowish green.

Calculated Properties of Khinite

Electron Density:

Bulk Density (Electron Density)=5.91 gm/cc
note: Specific Gravity of Khinite =6.75 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_Khinite= 636.34 barns/electron
U=PE_Khinite x rElectron Density=3,761.53 barns/cc.

Radioactivity:

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

Khinite Classification

Dana Class:

33.01.03.01 (33)Selenates and Tellurates

(33.01)as A+ (B++)m XO4 Zq

(33.01.03)Dana Group

33.01.03.01 Khinite PbCu3TeO6(OH)2 F ddd 2/m 2/m 2/m

Strunz Class:

04.FD.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.F - Hydroxides (without V or U)

04.FD -Hydroxides with OH, without H2O; chains of edge-sharing octahedra

04.FD.30 Khinite PbCu3TeO6(OH)2 F ddd 2/m 2/m 2/m

04.FD.30 Parakhinite Cu3PbTeO4(OH)6 P 6₂22 or P 6₄22 6 2 2

Other Khinite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v94:651) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Khinite :
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 Khinite Specimen Label here :

Khinite

PbCu++3Te++++++O6(OH)2
Dana No: 33.01.03.01 Strunz No: 04.FD.30
Locality:

Notes: