Mineralogy Database

Avicennite Mineral Data

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General Avicennite Information

Help on Chemical  Formula: Chemical Formula: Tl2O3
Help on Composition: Composition: Molecular Weight = 661.15 gm
   Thallium  92.74 %  Tl  103.63 % Tl2O3
   Oxygen     7.26 %  O
            ______        ______ 
            100.00 %      103.63 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Tl3O3
Help on Environment: Environment: In the weathered zone of a hematite-calcite vein cutting banded marmorized and silicified limestones near a granite-gneiss contact (near Dzhuzumli, Tadzhikistan).
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: From near the village of Dzhuzumli, Mt. Zirabulaksk region, Bukhara, Tadzhikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the medieval (Persian) scholar and physician, Abu 'Ali al-Husayn ibn 'Abd Allah ibn Sina (Avicenna) (930-1037), who lived in Bukhara, Tadzhikistan.
Help on Name Pronunciation: Name Pronunciation: Avicennite + Pronunciation Say AVICENNITE
Help on Synonym: Synonym: ICSD 26813
  PDF 33-1404
 

Avicennite Image

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  Avicennite

Comments: Grayish black polished crystals on microprobe sample mount.
Location: Thallium Prospect, Little Valley, Tooele County, Utah, USA. Scale: See Image.
© Rruff Database

Avicennite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.5468, Z = 10; V = 1,173.17 Den(Calc)= 9.36
Help on Crystal System: Crystal System: Isometric - Diploidal H-M Symbol (2/m 3) Space Group: I a3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.044(1), 1.864(0.38), 2.637(0.37),
 

Physical Properties of Avicennite

Help on Cleavage: Cleavage: None
Help on Color: Color: Grayish black.
Help on Density: Density: 9.574
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Optical Properties of Avicennite

Help on Optical Data: Optical Data: Isotropic.
  NCalc= 1.51 - from Gladstone-Dale relationship (KC = 0.0549) where Ncalc=Dcalc*KC+1
NCalc= 1.53 - from Gladstone-Dale relationship (KC = 0.0549) where Ncalc=Dmeas*KC+1
Help on RL Color: RL Color: Pale to medium gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Avicennite in Air
λ R  ∑ R(λ) 
 400 nm   11.50   
 470 nm   12.50 
 500 nm   13.00 
 546 nm   12.70 
 589 nm   12.30 
 650 nm   10.60 
 700 nm   11.50 
Calculated Relative Intensity Colors of Avicennite in Air
Relative
Intensity
   0%   80% 100% 160% 240% 320% 400% 480% 560% 640% 720% 760%
R                        
 

Calculated Properties of Avicennite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.56 gm/cc
note: Specific Gravity of Avicennite =9.36 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000348472
Boson Index = 0.9999651528
Help on Photoelectric: Photoelectric: PEAvicennite =1,688.85 barns/electron
U=PEAvicennite x rElectron Density=12767.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Avicennite is Not Radioactive
 

Avicennite Classification

Help on  Dana Class: Dana Class: 04.03.08.01 (04)Simple Oxides
  (04.03)with a cation charge of 3+ (A+++2 O3)
  (04.03.08)Dana Group
 
04.03.08.01 Avicennite Tl2O3 I a3 2/m 3
Help on  Strunz Class: Strunz Class: 04.CB.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CB -With medium-sized cations
 
04.CB.10 Bixbyite (Mn,Fe)2O3 I a3 2/m 3
 
04.CB.10 Avicennite Tl2O3 I a3 2/m 3
 

Other Avicennite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Avicennite :
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
15 - WWW-MINCRYST

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Avicennite

Tl2O3
Dana No: 04.03.08.01 Strunz No: 04.CB.10
Locality:

 

Notes:

 

 
   
 


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