Kudriavite Mineral Data (original) (raw)

General Kudriavite Information

Help on Chemical Formula: Chemical Formula:

(Cd,Pb)Bi2S4

Help on Composition: Composition:

Molecular Weight = 690.39 gm

Manganese 0.24 % Mn

Cadmium 8.30 % Cd

Indium 2.83 % In

Iron 0.16 % Fe

Bismuth 55.39 % Bi

Lead 13.21 % Pb

Selenium 2.17 % Se

Sulfur 17.70 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Cd0.51Pb0.44Fe2+0.02Mn2+0.03Bi1.83In0.17S3.81Se0.19

Help on Environment: Environment:

High-temperature (about 400 °C) fumarole encrustations

Help on IMA Status: IMA Status:

Approved IMA 2003 (Dana # Added)

Help on Locality: Locality:

Kudriavy volcano, Iturup Island, Kurile arc, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Synonym: Synonym:

IMA2003-011

Kudriavite Image

Click Here for Larger Kudriavite Image in a New Browser Window Images:

Click Here for Larger Kudriavite Image Kudriavite Comments: Tufts of gray metallic kudriavite crystals on matrix. Location: Mutnovskyi Volcano, Kamchatka, Russia.Scale: Sample Size 5x5 mm. © Diederik Visser

Kudriavite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =3.2711:1:3.6748

Help on Cell Dimensions: Cell Dimensions:

a = 13.095, b = 4.0032, c = 14.711, Z = 4; beta = 115.602° V = 695.46 Den(Calc)= 6.59

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.807(1)(310 ), 3.69(0.97)(202 ), 3.64(0.95)(204),3.508(0.83)(112), 2.935(0.83)(311), 1.907(0.4)(511 ), 2.002(0.39)(020 ), 2.341(0.39)(114 ), 3.111(0.

Click Here for Large Kudriavite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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| | Balic-Zunic T , Makovicky E , The Canadian Mineralogist , 45 (2007) p.437-443, The crystal structure of kudriavite, (Cd,Pb)Bi2S4 | | ----------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Kudriavite

Help on Color: Color:

Dark reddish gray.

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Platy - Sheet forms (e.g. micas).

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

black

Optical Properties of Kudriavite

Help on RL Anisotrophism: RL Anisotrophism:

Strong.

Help on RL Bireflectance: RL Bireflectance:

Distinct.

Help on RL Color: RL Color:

White, no internal reflections.

Help on Reflectivity Reflectivity

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

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
470 nm 36.40 29.60
546 nm 38.80 32.40
589 nm 38.20 31.80
650 nm 37.70 31.40

Calculated Relative Intensity Colors of Kudriavite in Air

RelativeIntensity 0% 40% 80% 100% 120% 160% 200% 240% 280% 300%
R1
R2

Calculated Properties of Kudriavite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=5.53 gm/cc
note: Specific Gravity of Kudriavite =6.59 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Help on Photoelectric: Photoelectric:

PEKudriavite =1,340.45 barns/electron
U=PEKudriavite x rElectron Density=7,407.55 barns/cc.

Help on Radioactivity: Radioactivity:

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

Kudriavite Classification

Help on Dana Class: Dana Class:

03.08.10.08 (03)Sulfides - Sulfosalts

(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.08.10)Pavonite Group (Monoclinic: C/2c bismuth sulfosalts)

03.08.10.01 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m

03.08.10.02 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m

03.08.10.03 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m

03.08.10.04 Mummeite Cu0.58Ag3.11Pb1.10Bi6.65S13 C 2/c 2/m

03.08.10.05 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m

03.08.10.06 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m

03.08.10.07 Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m

03.08.10.08 Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m

03.08.10.09 IMA2008-058! Ag5Bi13S22 C 2/m 2/m

03.08.10.10 IMA2005-036! Cu8Pb4Ag3Bi19S38 C 2/m 2/m

Help on Strunz Class: Strunz Class:

02.JA.05c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.J - Sulfosalts of PbS Archetype

02.JA -Galena derivatives with little or no Pb

02.JA.05c Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m

Other Kudriavite Information

Help on References: References:

NAME( AmMin, v 90, p 1946) PHYS. PROP.(AmMin, v90:1946, v93:255) OPTIC PROP.(AmMin, v 90, p 1946)

Help on See Also: See Also:

Links to other databases for Kudriavite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Kudriavite Specimen Label here :

Kudriavite

(Cd,Pb)Bi2S4
Dana No: 03.08.10.08 Strunz No: 02.JA.05c
Locality:

Notes: