Kudriavite Mineral Data

[Thumbnails] [Miniatures] [Cabinets] [About Us] [FAQ]
Welcome To Mason's Minerals
Your Source for Beautiful Minerals and Crystals
We offer a no-questioned-asked Satisfaction Guarantee

General Kudriavite Information

Chemical Formula:

(Cd,Pb)Bi2S4

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 %

Empirical Formula:

Cd_0.51Pb_0.44Fe²⁺_0.02Mn²⁺_0.03Bi_1.83In_0.17S_3.81Se_0.19

Environment:

High-temperature (about 400 °C) fumarole encrustations

IMA Status:

Approved IMA 2003 (Dana # Added)

Locality:

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

Name Origin:

Named for the locality.

Synonym:

IMA2003-011

Kudriavite Image

Images:

Kudriavite

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

Kudriavite Crystallography

Axial Ratios:

a:b:c =3.2711:1:3.6748

Cell Dimensions:

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

Crystal System:

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

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

By Intensity(I/I_o): 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.

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

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

Color:

Dark reddish gray.

Diaphaneity:

Opaque

Habit:

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

Luster:

Metallic

Streak:

black

Optical Properties of Kudriavite

RL Anisotrophism:

Strong.

RL Bireflectance:

Distinct.

RL Color:

White, no internal reflections.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Kudriavite in Air**
λ	R₁	R₂	∑ 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**
Relative Intensity	0%	40%	80%	100%	120%	160%	200%	240%	280%	300%
R₁
R₂

Calculated Properties of Kudriavite

Electron Density:

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

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

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

Radioactivity:

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

Kudriavite Classification

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

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

References:

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

See Also:

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

Search for Kudriavite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kudriavite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Kudriavite Mineral Data :

Ask about Kudriavite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: