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IMA2008-029 Mineral Data
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General IMA2008-029 Information
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 Chemical Formula: |
(NH4)3Fe(SO4)3 |
| Composition: |
Molecular Weight = 398.15 gm |
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Iron 14.03 % Fe 20.05 % Fe2O3 |
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Hydrogen 3.04 % H - % Calc as (NH4)2O |
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Sulfur 24.16 % S 60.33 % SO3 |
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Nitrogen 10.55 % N 19.62 % (NH4)2O |
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Oxygen 48.22 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(NH4)3Fe3+(SO4)3 |
| Environment: |
New structure type |
| IMA Status: |
Proposed IMA 2008 |
| Locality: |
La Fossa crater, Vulcano, Aeolian Islands, Italy Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
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IMA2008-029 Crystallography
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| Axial Ratios: |
a:c = 1:0.58699 |
| Cell Dimensions: |
a = 15.2171, c = 8.9323, V = 1,791.26 |
| Crystal System: |
Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3c |
| 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), |
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Optical Properties of IMA2008-029
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| Optical Data: |
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Calculated Properties of IMA2008-029
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| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PEIMA2008-029 = 5.49 barns/electron
U=PEIMA2008-029 x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-029 is Not Radioactive |
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IMA2008-029 Classification
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| Dana Class: |
28.00.00.00 (28)Sulfate Minerals |
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(28.00)Without Dana Classification Numbers |
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(28.00.00)Sulfate |
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28.00.00.00 Adranosite (NH4)4NaAl2(SO4)4Cl(OH)2 I 41/acd 4mm |
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28.00.00.00 Blakeite Fe2(TeO3)3 Cubic ? Cubic |
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28.00.00.00 IMA2008-029 (NH4)3Fe(SO4)3 R 3c 3m |
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28.00.00.00 IMA2008-040 BiMo2O7(OH)•2H2O P 21/m 2/m |
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28.00.00.00 Radiobarite* (Ba,Ra)SO4 2/m 2/m 2/m |
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28.00.00.00 Zincosite* ZnSO4 Unk Ortho |
| Strunz Class: |
07.AC. 07 - SULFATES (SELENATES, TELLURATES) |
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07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O |
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07.AC -With medium-sized and large cations |
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07.AC. IMA2008-029 (NH4)3Fe(SO4)3 R 3c 3m |
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Other IMA2008-029 Information
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| 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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Print or Cut-and-Paste your IMA2008-029 Specimen Label here :
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IMA2008-029
(NH4)3Fe(SO4)3
Dana No: 28.00.00.00 Strunz No: 07.AC.
Locality:
Notes:
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