Rebulite Mineral Data

Rebulite Mineral Data +

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General Rebulite Information

Chemical Formula:

Tl5Sb5As8S22

Composition:

Molecular Weight = 2,935.49 gm

Thallium 34.81 % Tl

Antimony 20.74 % Sb

Arsenic 20.42 % As

Sulfur 24.03 % S

______

100.00 %

Empirical Formula:

Tl₅Sb₅As₈S₂₂

Environment:

In a hydrothermal As-Tl deposit.

IMA Status:

Approved IMA 1982

Locality:

Allchar, Macedonia. Link to MinDat.org Location Data.

Name Origin:

Unknown name derivation.

Synonym:

ICSD 17065

PDF 44-1461

Rebulite Image

Images:

Rebulite Realgar

Comments: Dark gray rebulite grain in red, massive realgar.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rebulite Crystallography

Axial Ratios:

a:b:c =2.3687:1:4.3531

Cell Dimensions:

a = 17.441, b = 7.363, c = 32.052, Z = 4; beta = 105.03° V = 3,975.25 Den(Calc)= 4.90

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 3.076(1)(316), 3.37(0.8)(500), 2.95(0.67)(508),2.186(0.67)(2.1.14),

Forms:

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Forms: [ 1 1 1] [ 1 0 0] [ 0 0 1]

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Crystal Structure:

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Balic-Zunic T , Scavnicar S , Engel P , Zeitschrift fur Kristallographie , 160 (1982) p.109-125, The crystal structure of rebulite, Tl5Sb5As8S22, Locality: Allchar, Macedonia, Yugoslavia

Physical Properties of Rebulite

Color:

Dark gray.

Density:

4.81

Luster:

Metallic

Streak:

brown red

Calculated Properties of Rebulite

Electron Density:

r_electron=4.26 gm/cc
note: r_Rebulite=4.90 gm/cc.

Fermion Index

Fermion Index = 0.0018
Boson Index = 0.9982

Photoelectric:

PE_Rebulite= 675.73 barns/electron
U=PE_Rebulite x r_electron=2,878.52 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Rebulite is Not Radioactive

Rebulite Classification

Dana Class:

3.8.13.1 (3)Sulfides - Sulfosalts

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

(3.8.13)Dana Group

3.8.13.1 Rebulite Tl5Sb5As8S22 P 2₁/c 2/m

3.8.13.2 Jankovicite Tl5Sb9(As,Sb)4S22 P1 1

Strunz Class:

II/E.14-10 II - Sulfides and sulphosalts

II/E - Sulfosalts (S : As,Sb,Bi = x) Sulfosalts with predominant Thallium and Mercury, x = 4.0 - 1.6

II/E.14 - Rebulite - Chabourneite series

II/E.14-10 Rebulite Tl5Sb5As8S22 P 2₁/c 2/m

II/E.14-12 Jankovicite Tl5Sb9(As,Sb)4S22 P1 1

II/E.14-15 Imhofite Tl6CuAs16S40 P 2₁/n 2/m

II/E.14-20 Bernardite Tl(As,Sb)5S8 P 2₁/c 2/m

II/E.14-25 Gillulyite Tl2(As,Sb)8S13 P 2/n 2/m

II/E.14-30 Pierrotite Tl2Sb6As4S16 P na2₁ mm2

II/E.14-40 Parapierrotite Tl(Sb,As)5S8 P 2₁/n 2/m

II/E.14-50 Chabourneite (Tl,Pb)21(Sb,As)91S147 P1 1

Other Rebulite Information

References:

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

See Also:

Links to other databases for Rebulite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Rebulite

Tl5Sb5As8S22
Dana No: 3.8.13.1 Strunz No: II/E.14-10
Locality:

Notes: