Mineralogy Database

Rucklidgeite Mineral Data

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General Rucklidgeite Information

Help on Chemical  Formula: Chemical Formula: (Bi,Pb)3Te4
Help on Composition: Composition: Molecular Weight = 1,136.01 gm
   Bismuth    41.39 %  Bi
   Tellurium  44.93 %  Te
   Lead       13.68 %  Pb
             100.00 % 
Help on Empirical Formula: Empirical Formula: Bi2.25Pb0.75Te4
Help on Environment: Environment: Of hydrothermal origin.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Zod and Kochkar deposits, Ural Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. C. Rucklidge, University of Toronto, Canada who first noticed the mineral.
Help on Name Pronunciation: Name Pronunciation: Rucklidgeite + Pronunciation Say RUCKLIDGEITE
Help on Synonym: Synonym: ICSD 60089
  PDF 38-458

Rucklidgeite Image

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  Rucklidgeite   Gold

Comments: Polished section (PPL) image of sphalerite(sph)-chalcopyrite ore associated with hessite (he), rucklidgeite (rk), pyrite (py) and native gold (Au).
Location: Level 1070 m., Massive sulphide deposits of the Hanson-Flin Flon-Snow Lake, Manitoba, Saskatchewan, Canada. Scale: Picture Size 0,12 mm.
© National Resouces of Canada

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Comments: Tabular striated crystal of metallic-white rucklidgeite overgrown with a crystalline gold film. Associated minerals in the specimen are quartz, dolomite, fuchsite, chalcopirite, arsenopyrite and other Bi tellurides.
Location: Zod Mine (Sotk deposit), Vardenis, Gelark'unik' (Geghark'unik') Province, Armenia. Scale: Picture Size 3x2.5 mm.
© Pavel M. Kartashov

Rucklidgeite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:9.38263
Help on Cell Dimensions: Cell Dimensions: a = 4.422, c = 41.49, Z = 3; V = 702.61 Den(Calc)= 8.05
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.22(1), 2.34(0.9), 1.473(0.6),

Physical Properties of Rucklidgeite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Silver white.
Help on Density: Density: 7.739
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
Help on Streak: Streak: lead gray

Optical Properties of Rucklidgeite

Help on RL Anisotrophism: RL Anisotrophism: Distinct, reddish brown to bluish gray.
Help on RL Color: RL Color: White with a very weak rose tint.
Help on RL Pleochroism: RL Pleochroism: Very weak in air, noticable in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rucklidgeite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   62.90   62.10 
 420 nm   62.90   62.00 
 440 nm   63.00   61.80 
 460 nm   63.20   61.80 
 480 nm   63.70   61.80 
 500 nm   64.40   61.90 
 520 nm   65.00   62.00 
 540 nm   65.30   62.10 
 560 nm   65.50   62.20 
 580 nm   65.80   62.20 
 600 nm   66.10   62.30 
 620 nm   66.40   62.40 
 640 nm   66.50   62.60 
 660 nm   66.60   62.80 
 680 nm   66.70   63.00 
 700 nm   66.60   63.20 
Calculated Relative Intensity Colors of Rucklidgeite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 150%

Calculated Properties of Rucklidgeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.47 gm/cc
note: Specific Gravity of Rucklidgeite =8.05 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PERucklidgeite =1,262.22 barns/electron
U=PERucklidgeite x rElectron Density=8,161.74 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rucklidgeite is Not Radioactive

Rucklidgeite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.06)where Am Bn Xp, with (m+n):p=4:3
  (02.06.02)Joseite Group (Trigonal: R-3m) Joseite Bi4(S,Te)3 R 3m 3 2/m Joseite-B Bi4(S,Te)3 R 3m 3 2/m Ikunolite Bi4(S,Se)3 R 3m 3 2/m Laitakarite Bi4(Se,S)3 R 3m 3 2/m Pilsenite Bi4Te3 R 3m 3 2/m Poubaite PbBi2Se2(Te,S)2 R 3m 3 2/m Rucklidgeite (Bi,Pb)3Te4 R 3m 3 2/m Babkinite! Pb2Bi2(S,Se)3 P 3,P 3m Trig
Help on  Strunz Class: Strunz Class: 02.GC.40c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GC -Poly-sulfarsenites
02.GC.40c Rucklidgeite (Bi,Pb)3Te4 R 3m 3 2/m
02.GC.40c Poubaite PbBi2Se2(Te,S)2 R 3m 3 2/m

Other Rucklidgeite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Rucklidgeite :
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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Dana No: Strunz No: 02.GC.40c





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