Mineralogy Database

IMA2008-029 Mineral Data

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General IMA2008-029 Information

Help on Chemical  Formula: Chemical Formula: (NH4)3Fe(SO4)3
Help on Composition: Composition: Molecular Weight = 398.15 gm
   Iron      14.03 %  Fe   20.05 % Fe2O3
   Hydrogen   3.04 %  H      -   % Calc as (NH4)2O
   Sulfur    24.16 %  S    60.33 % SO3
   Nitrogen  10.55 %  N    19.62 % (NH4)2O
   Oxygen    48.22 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (NH4)3Fe3+(SO4)3
Help on Environment: Environment: New structure type
Help on IMA Status: IMA Status: Proposed IMA 2008
Help on Locality: Locality: La Fossa crater, Vulcano, Aeolian Islands, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2008-029 Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.58699
Help on Cell Dimensions: Cell Dimensions: a = 15.2171, c = 8.9323, V = 1,791.26
Help on Crystal System: Crystal System: Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.596(1), 3.32(0.3), 3.371(0.26),4.358(0.23), 2.829(0.14), 2.863(0.08), 4.247(0.05), 4.384(0.05),

Optical Properties of IMA2008-029

Help on Optical Data: Optical Data:

Calculated Properties of IMA2008-029

Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEIMA2008-029 = 5.49 barns/electron
U=PEIMA2008-029 x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-029 is Not Radioactive

IMA2008-029 Classification

Help on  Dana Class: Dana Class: (28)Sulfate Minerals
  (28.00)Without Dana Classification Numbers
  (28.00.00)Sulfate Adranosite (NH4)4NaAl2(SO4)4Cl(OH)2 I 41/acd 4mm Blakeite Fe2(TeO3)3 Cubic ? Cubic IMA2008-029 (NH4)3Fe(SO4)3 R 3c 3m IMA2008-040 BiMo2O7(OH)•2H2O P 21/m 2/m Radiobarite* (Ba,Ra)SO4 2/m 2/m 2/m Zincosite* ZnSO4 Unk Ortho
Help on  Strunz Class: Strunz Class: 07.AC. 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AC -With medium-sized and large cations
07.AC. IMA2008-029 (NH4)3Fe(SO4)3 R 3c 3m

Other IMA2008-029 Information

Help on See Also: See Also: Links to other databases for IMA2008-029 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Dana No: Strunz No: 07.AC.