Hydroniumjarosite Mineral Data

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General Hydroniumjarosite Information

Chemical Formula:

(H3O)Fe+++3(SO4)2(OH)6

Composition:

Molecular Weight = 480.74 gm

Iron 34.85 % Fe 49.83 % Fe₂O₃

Hydrogen 1.89 % H 16.86 % H₂O

Sulfur 13.34 % S 33.31 % SO₃

Oxygen 49.92 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

(H₃O)Fe³⁺₃(SO₄)₂(OH)₆

Environment:

Oxidized zone of sulfide deposits.

IMA Status:

Approved IMA 1960

Locality:

Staszic Mine, Kolonia Staszic, Holy Cross Mountains, Lower Silesia, Poland. Link to MinDat.org Location Data.

Name Origin:

Named for the composition (hydronium = H + H2O) and jarosite.

Name Pronunciation:

Hydroniumjarosite + Pronunciation

Synonym:

Hydronium jarosite - Renamed to Hydroniumjarosite by Mineralogical Record, v39 (2008), p131

Planoferrite

Hydroniumjarosite Image

Images:

Hydroniumjarosite

Comments: Yellow, earthy hydronium-jarosite.
Location: Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Specimen size 3.3 cm.
© Thomas Witzke / Abraxas-Verlag

Hydroniumjarosite Crystallography

Axial Ratios:

a:c = 1:2.31229

Cell Dimensions:

a = 7.3559, c = 17.009, Z = 3; V = 797.04 Den(Calc)= 3.00

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m

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

By Intensity(I/I_o): 5.1(1), 3.13(0.9), 3.09(0.65),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Majzlan J , Stevens R , Boerio-Goates J , Woodfield B F , Navrotsky A , Burns P C , Crawford M K , Amos T G , Physics and Chemistry of Minerals , 31 (2004) p.518-531, Thermodynamic properties, low-temperature heat-capacity anomalies,, and single-crystal X-ray refinement of hydronium jarosite, (H3O)Fe3(SO4)2(OH)6, Note: Rietveld refinement of synchrotron X-ray diffraction pattern

Physical Properties of Hydroniumjarosite

Color:

Yellow, Dark straw yellow, Reddish brown, Brown.

Density:

2.496 - 2.905, Average = 2.7

Diaphaneity:

Transparent to Translucent

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Vitreous - Resinous

Optical Properties of Hydroniumjarosite

Gladstone-Dale:

CI meas= -0.111 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2733,KPDmeas= 0.3036,KC= 0.2732
Ncalc = 1.68 - 1.82

Optical Data:

Uniaxial (-), e=1.82, w=1.82, bire=0.0000.

Calculated Properties of Hydroniumjarosite

Electron Density:

Bulk Density (Electron Density)=2.98 gm/cc
note: Specific Gravity of Hydroniumjarosite =3.00 gm/cc.

Fermion Index:

Fermion Index = 0.0086313907
Boson Index = 0.9913686093

Photoelectric:

PE_{Hydroniumjarosite}= 11.08 barns/electron
U=PE_{Hydroniumjarosite} x rElectron Density= 33.04 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydroniumjarosite is Not Radioactive

Hydroniumjarosite Classification

Dana Class:

30.02.05.03 (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

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 Hydroniumjarosite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Hydroniumjarosite :
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 Hydroniumjarosite Specimen Label here :

Hydroniumjarosite

(H3O)Fe+++3(SO4)2(OH)6
Dana No: 30.02.05.03 Strunz No: 07.BC.10
Locality:

Notes: