Rucklidgeite Mineral Data

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General Rucklidgeite Information

Chemical Formula:

(Bi,Pb)3Te4

Composition:

Molecular Weight = 1,136.01 gm

Bismuth 41.39 % Bi

Tellurium 44.93 % Te

Lead 13.68 % Pb

______

100.00 %

Empirical Formula:

Bi_2.25Pb_0.75Te₄

Environment:

Of hydrothermal origin.

IMA Status:

Approved IMA 1977

Locality:

Zod and Kochkar deposits, Ural Mountains, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for J. C. Rucklidge, University of Toronto, Canada who first noticed the mineral.

Name Pronunciation:

Rucklidgeite + Pronunciation

Synonym:

ICSD 60089

IMA1975-029

PDF 38-458

Rucklidgeite Image

Images:

Click Here for Larger Rucklidgeite Image

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

Images:

Rucklidgeite

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

Axial Ratios:

a:c = 1:9.38263

Cell Dimensions:

a = 4.422, c = 41.49, Z = 3; V = 702.61 Den(Calc)= 8.05

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

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

By Intensity(I/I_o): 3.22(1), 2.34(0.9), 1.473(0.6),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
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Zhukova T B , Zaslavskii A I , Zhurnal Strukturnoi Khimii , 11 (1970) p.462-468, X-ray structure determination of PbBi4Te7, Locality: synthetic

Physical Properties of Rucklidgeite

Cleavage:

{???} Perfect

Color:

Silver white.

Density:

7.739

Diaphaneity:

Opaque

Hardness:

2.5 - Finger Nail

Luster:

Metallic

Streak:

lead gray

Optical Properties of Rucklidgeite

RL Anisotrophism:

Distinct, reddish brown to bluish gray.

RL Color:

White with a very weak rose tint.

RL Pleochroism:

Very weak in air, noticable in oil.

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**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	150%
R₁
R₂

Calculated Properties of Rucklidgeite

Electron Density:

Bulk Density (Electron Density)=6.47 gm/cc
note: Specific Gravity of Rucklidgeite =8.05 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Rucklidgeite=1,262.22 barns/electron
U=PE_Rucklidgeite x rElectron Density=8,161.74 barns/cc.

Radioactivity:

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

Rucklidgeite Classification

Dana Class:

02.06.02.07 (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)

02.06.02.01 Joseite Bi4(S,Te)3 R 3m 3 2/m

02.06.02.02 Joseite-B Bi4(S,Te)3 R 3m 3 2/m

02.06.02.03 Ikunolite Bi4(S,Se)3 R 3m 3 2/m

02.06.02.04 Laitakarite Bi4(Se,S)3 R 3m 3 2/m

02.06.02.05 Pilsenite Bi4Te3 R 3m 3 2/m

02.06.02.06 Poubaite PbBi2Se2(Te,S)2 R 3m 3 2/m

02.06.02.07 Rucklidgeite (Bi,Pb)3Te4 R 3m 3 2/m

02.06.02.08 Babkinite! Pb2Bi2(S,Se)3 P 3,P 3m Trig

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

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Rucklidgeite

(Bi,Pb)3Te4
Dana No: 02.06.02.07 Strunz No: 02.GC.40c
Locality:

Notes: