Kuranakhite Mineral Data (original) (raw)

General Kuranakhite Information

Help on Chemical Formula: Chemical Formula:

PbMn++++Te++++++O6

Help on Composition: Composition:

Molecular Weight = 485.73 gm

Manganese 11.31 % Mn 17.90 % MnO2

Tellurium 26.27 % Te 32.86 % TeO2

Lead 42.66 % Pb 45.95 % PbO

Oxygen 19.76 % O

______ ______

100.00 % 96.71 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

PbMn4+TeO6

Help on Environment: Environment:

In quartz-limonite ores (Supergene Alteration Zone).

Help on IMA Status: IMA Status:

Approved IMA 1975

Help on Locality: Locality:

Kuranakh gold deposit, southern Yakutia, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Name Pronunciation: Name Pronunciation:

Kuranakhite + Pronunciation Say KURANAKHITE

Kuranakhite Image

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Kuranakhite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.573:1:0.5955

Help on Cell Dimensions: Cell Dimensions:

a = 5.1, b = 8.9, c = 5.3, Z = 2; V = 240.57 Den(Calc)= 6.71

Help on Crystal System: Crystal System:

OrthorhombicSpace Group: Unk

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.4(1), 2.558(0.6), 2.05(0.5),

Physical Properties of Kuranakhite

Help on Color: Color:

Brown, Black.

Help on Density: Density:

6.71

Help on Fracture: Fracture:

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

Help on Hardness: Hardness:

4-5 - Fluorite-Apatite

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

brown

Optical Properties of Kuranakhite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.263 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.263 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1456,KPDmeas= 0.1456,KC= 0.1977
Ncalc = 2.33

Help on Optical Data: Optical Data:

Biaxial (?), a=1.952, g=2.002, bire=0.0500

Help on RL Anisotrophism: RL Anisotrophism:

Distinct, blue to brown.

Help on RL Bireflectance: RL Bireflectance:

Weak, distinct in oil, with rose tints.

Help on RL Color: RL Color:

Light gray with a bluish tine with no internal reflections.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Kuranakhite in Air

λ R ∑ R(λ)
470 nm 24.40
546 nm 24.00
589 nm 24.50
650 nm 23.00

Calculated Relative Intensity Colors of Kuranakhite in Air

RelativeIntensity 0% 40% 80% 100% 120% 160% 200% 240% 280% 320% 360% 370%
R

Calculated Properties of Kuranakhite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=5.72 gm/cc
note: Specific Gravity of Kuranakhite =6.71 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Help on Photoelectric: Photoelectric:

PEKuranakhite = 866.16 barns/electron
U=PEKuranakhite x rElectron Density=4,953.62 barns/cc.

Help on Radioactivity: Radioactivity:

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

Kuranakhite Classification

Help on Dana Class: Dana Class:

33.02.01.01 (33)Selenates and Tellurates

(33.02)as A+ (B++)m XO6 Zq � x(H2O) where x can equal 0

(33.02.01)Dana Group

33.02.01.01 Kuranakhite PbMnTeO6 Unk Ortho

Help on Strunz Class: Strunz Class:

04.DM.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DM -With large (� medium-sized) cations; unclassified

04.DM.25 Kuranakhite PbMnTeO6 Unk Ortho

Other Kuranakhite Information

Help on References: References:

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

Help on See Also: See Also:

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

Kuranakhite

PbMn++++Te++++++O6
Dana No: 33.02.01.01 Strunz No: 04.DM.25
Locality:

Notes: