Mineralogy Database

Dorallcharite Mineral Data

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General Dorallcharite Information

Help on Chemical  Formula: Chemical Formula: (Tl,K)Fe+++3(SO4)2(OH)6
Help on Composition: Composition: Molecular Weight = 616.51 gm
   Potassium   1.90 %  K     2.29 % K2O
   Thallium   23.21 %  Tl   25.02 % TlO
   Iron       27.18 %  Fe   38.85 % Fe2O3
   Hydrogen    0.98 %  H     8.77 % H2O
   Sulfur     10.40 %  S    25.97 % SO3
   Oxygen     36.33 %  O
             ______        ______ 
             100.00 %      100.91 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Tl0.7K0.3Fe3+3(SO4)2(OH)6
Help on Environment: Environment: Oxidized portions of a Tl-bearing hydrothermal sulfide-sulfosalt deposit.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: Alsar (Allchar), near Rosden, Macedonia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the French dore, golden yellow, and the famous mining locality, Alsar (Allchar), Macedonia.
Help on Name Pronunciation: Name Pronunciation: Dorallcharite + Pronunciation Say DORALLCHARITE
Help on Synonym: Synonym: ICSD 74610
  IMA1992-041
  PDF 47-1768
 

Dorallcharite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.40966
Help on Cell Dimensions: Cell Dimensions: a = 7.3301, c = 17.6631, Z = 3; V = 821.90 Den(Calc)= 3.74
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): 3.112(1), 5.947(0.87), 3.666(0.34),
 

Physical Properties of Dorallcharite

Help on Cleavage: Cleavage: {0001} Good
Help on Color: Color: Golden yellow.
Help on Density: Density: 3.85
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: yellow
 

Optical Properties of Dorallcharite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.019 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2126,KPDmeas= 0.2065,KC= 0.2027
Ncalc = 1.76 - 1.78
Help on Optical Data: Optical Data: Uniaxial (-), e=1.768, w=1.822, bire=0.0540.
 

Calculated Properties of Dorallcharite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.63 gm/cc
note: Specific Gravity of Dorallcharite =3.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0067195821
Boson Index = 0.9932804179
Help on Photoelectric: Photoelectric: PEDorallcharite = 371.60 barns/electron
U=PEDorallcharite x relectron=1,347.81 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 25.84 (Gamma Ray American Petroleum Institute Units)
Concentration of Dorallcharite per GRapi unit = 3.87 (%)

Estimated Radioactivity from Dorallcharite - barely detectable

 

Dorallcharite Classification

Help on  Dana Class: Dana Class: 30.02.05.08 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.02)where (A B)2 XO4 Zq
  (30.02.05)Alunite Group (Jarosite Subgroup)
 
30.02.05.01 Jarosite KFe3(SO4)2(OH)6 R 3 3
 
30.02.05.02 Natrojarosite NaFe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.03 Hydroniumjarosite (H3O)Fe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.04 Ammoniojarosite (NH4)Fe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.05 Argentojarosite AgFe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.06 Plumbojarosite PbFe6(SO4)4(OH)12 R 3m 3 2/m
 
30.02.05.07 Beaverite PbCu(Fe,Al)2(SO4)2(OH)6 R 3m 3m
 
30.02.05.08 Dorallcharite (Tl,K)Fe3(SO4)2(OH)6 R 3m 3 2/m
Help on  Strunz Class: Strunz Class: 07.BC.10 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
 
07.BC.10 Alunite KAl3(SO4)2(OH)6 R 3m, R 3m Trig
 
07.BC.10 Ammonioalunite (NH4)Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Ammoniojarosite (NH4)Fe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Beaverite PbCu(Fe,Al)2(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Argentojarosite AgFe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Huangite Ca0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Dorallcharite (Tl,K)Fe3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Jarosite KFe3(SO4)2(OH)6 R 3 3
 
07.BC.10 Hydroniumjarosite (H3O)Fe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Minamiite (Na,Ca,K)Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Natrojarosite NaFe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Natroalunite NaAl3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Osarizawaite PbCuAl2(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Plumbojarosite PbFe6(SO4)4(OH)12 R 3m 3 2/m
 
07.BC.10 Schlossmacherite (H3O,Ca)Al3(AsO4,SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Walthierite Ba0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 

Other Dorallcharite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)
Help on See Also: See Also: Links to other databases for Dorallcharite :
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 Dorallcharite Specimen Label here :

Dorallcharite

(Tl,K)Fe+++3(SO4)2(OH)6
Dana No: 30.02.05.08 Strunz No: 07.BC.10
Locality:

 

Notes:

 

 
   
 


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