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Argentojarosite Mineral Data

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General Argentojarosite Information

Help on Chemical  Formula: Chemical Formula: AgFe+++3(SO4)2(OH)6
Help on Composition: Composition: Molecular Weight = 569.58 gm
   Iron      29.41 %  Fe   42.06 % Fe2O3
   Silver    18.94 %  Ag   20.34 % Ag2O
   Hydrogen   1.06 %  H     9.49 % H2O
   Sulfur    11.26 %  S    28.11 % SO3
   Oxygen    39.33 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: AgFe3+3(SO4)2(OH)6
Help on Environment: Environment: Secondary mineral derived from the oxidation of sulfide and silver-bearing sulfide minerals.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1923
Help on Locality: Locality: Tintic mine, East Tintic District, Utah County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the silver content and relationship to jarosite.
Help on Name Pronunciation: Name Pronunciation: Argentojarosite + Pronunciation Say ARGENTOJAROSITE
 

Argentojarosite Image

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  Argentojarosite

Comments: Yellow crystalline massive argentojarosite.
Location: Eagle Mine, Juab County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Argentojarosite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.25578
Help on Cell Dimensions: Cell Dimensions: a = 7.35, c = 16.58, Z = 3; V = 775.69 Den(Calc)= 3.66
Help on Crystal System: Crystal System: Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.06(1), 5.98(0.5), 3.68(0.3),
 

Physical Properties of Argentojarosite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Brown, Yellow, Yellow brown.
Help on Density: Density: 3.66
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Micaceous - Platy texture with "flexible" plates.
Help on Hardness: Hardness: 3.5-4.5 - Between Copper Penny and Fluorite-Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellow
 

Optical Properties of Argentojarosite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.084 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.084 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2277,KPDmeas= 0.2277,KC= 0.2487
Ncalc = 1.91
Help on Optical Data: Optical Data: Uniaxial (-), e=1.785, w=1.882, bire=0.0970.
 

Calculated Properties of Argentojarosite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.53 gm/cc
note: Specific Gravity of Argentojarosite =3.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0072707594
Boson Index = 0.9927292406
Help on Photoelectric: Photoelectric: PEArgentojarosite = 54.31 barns/electron
U=PEArgentojarosite x rElectron Density= 191.93 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Argentojarosite is Not Radioactive
 

Argentojarosite Classification

Help on  Dana Class: Dana Class: 30.02.05.05 (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 Argentojarosite Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Argentojarosite :
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 Argentojarosite Specimen Label here :

Argentojarosite

AgFe+++3(SO4)2(OH)6
Dana No: 30.02.05.05 Strunz No: 07.BC.10
Locality:

 

Notes:

 

 
   
 


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