Mineralogy Database

Tolovkite Mineral Data

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General Tolovkite Information

Help on Chemical  Formula: Chemical Formula: IrSbS
Help on Composition: Composition: Molecular Weight = 346.04 gm
   Antimony  35.18 %  Sb
   Iridium   55.55 %  Ir
   Sulfur     9.27 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: IrSbS
Help on Environment: Environment: In placers derived from an Alpine-type gabbo massif.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Ust'-Bel'skii massif, Tolvka River, Northeastern Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Tolovkite + Pronunciation Say TOLOVKITE
Help on Synonym: Synonym: ICSD 74630
  PDF 35-656
 

Tolovkite Image

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  Tolovkite

Comments: Dark gray metallic crystal of tolovkite embedded in epoxy.
Location: Placer from Ust-Belsky Massif, Korjak Highand, Russia. Scale: See Image.
© Rruff Database

Tolovkite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 6.027, Z = 4; V = 218.93 Den(Calc)= 10.50
Help on Crystal System: Crystal System: Isometric - Tetartoidal H-M Symbol (2 3) Space Group: P 213
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.813(1), 1.146(0.9), 2.99(0.9),
 

Physical Properties of Tolovkite

Help on Cleavage: Cleavage: None
Help on Color: Color: Steel gray.
Help on Density: Density: 10.5
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 7.5 - Garnet
Help on Luster: Luster: Metallic
 

Optical Properties of Tolovkite

Help on RL Color: RL Color: Gray with a pale brown tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tolovkite in Air
λ R  ∑ R(λ) 
 442 nm   36.70   
 468 nm   39.00 
 484 nm   39.90 
 525 nm   42.00 
 554 nm   42.50 
 586 nm   42.90 
 621 nm   43.50 
 666 nm   43.80 
 699 nm   44.00 
Calculated Relative Intensity Colors of Tolovkite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 230%
R                    
 

Calculated Properties of Tolovkite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=8.74 gm/cc
note: Specific Gravity of Tolovkite =10.5 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0006949999
Boson Index = 0.9993050001
Help on Photoelectric: Photoelectric: PETolovkite = 951.75 barns/electron
U=PETolovkite x rElectron Density=8,317.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tolovkite is Not Radioactive
 

Tolovkite Classification

Help on  Dana Class: Dana Class: 02.12.03.05 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.03)Cobaltite Group (Cubic or pseudocubic crystals)
 
02.12.03.01 Cobaltite CoAsS P ca21 mm2
 
02.12.03.02 Gersdorffite NiAsS P 213 2 3
 
02.12.03.03 Ullmannite NiSbS P 213 2 3
 
02.12.03.04 Willyamite (Co,Ni)SbS P 213 2 3
 
02.12.03.05 Tolovkite IrSbS P 213 2 3
 
02.12.03.06 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
 
02.12.03.07 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
 
02.12.03.08 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
 
02.12.03.09 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
 
02.12.03.10 Padmaite PdBiSe P 213 2 3
 
02.12.03.11 Michenerite (Pd,Pt)BiTe P 213 2 3
 
02.12.03.12 Maslovite PtBiTe P 213 2 3
 
02.12.03.13 Testibiopalladite PdTe(Sb,Te) P 213 2 3
 
02.12.03.14 Changchengite! IrBiS P 213 2 3
 
02.12.03.15 Milotaite! PdSbSe P 21/3 2 3
 
02.12.03.16 Kalungaite! PdAsSe Pa3 2/m 3
Help on  Strunz Class: Strunz Class: 02.EB.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S � 1:2
  02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
 
02.EB.25 Cobaltite CoAsS P ca21 mm2
 
02.EB.25 Changchengite! IrBiS P 213 2 3
 
02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
 
02.EB.25 Gersdorffite NiAsS P 213 2 3
 
02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
 
02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
 
02.EB.25 Krutovite NiAs2 P a3 2/m 3
 
02.EB.25 Michenerite (Pd,Pt)BiTe P 213 2 3
 
02.EB.25 Maslovite PtBiTe P 213 2 3
 
02.EB.25 Mayingite IrBiTe P a3 2/m 3
 
02.EB.25 Padmaite PdBiSe P 213 2 3
 
02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
 
02.EB.25 Ullmannite NiSbS P 213 2 3
 
02.EB.25 Tolovkite IrSbS P 213 2 3
 
02.EB.25 Testibiopalladite PdTe(Sb,Te) P 213 2 3
 
02.EB.25 Willyamite (Co,Ni)SbS P 213 2 3
 
02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3
 
02.EB.25 Milotaite! PdSbSe P 21/3 2 3
 

Other Tolovkite 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 Tolovkite :
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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Print or Cut-and-Paste your Tolovkite Specimen Label here :

Tolovkite

IrSbS
Dana No: 02.12.03.05 Strunz No: 02.EB.25
Locality:

 

Notes:

 

 
   
 


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