IMA2008-029 Mineral Data

General IMA2008-029 Information

Chemical Formula:

(NH4)3Fe(SO4)3

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

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

Axial Ratios:

a:c = 1:0.58699

Cell Dimensions:

a = 15.2171, c = 8.9323, V = 1,791.26

Crystal System:

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

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

By Intensity(I/I_o): 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

Optical Data:

Calculated Properties of IMA2008-029

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_IMA2008-029= 5.49 barns/electron
U=PE_IMA2008-029 x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-029 is Not Radioactive

IMA2008-029 Classification

Dana Class:

28.00.00.00 (28)Sulfate Minerals

(28.00)Without Dana Classification Numbers

(28.00.00)Sulfate

28.00.00.00 Adranosite (NH4)4NaAl2(SO4)4Cl(OH)2 I 4₁/acd 4mm

28.00.00.00 Blakeite Fe2(TeO3)3 Cubic ? Cubic

28.00.00.00 IMA2008-029 (NH4)3Fe(SO4)3 R 3c 3m

28.00.00.00 IMA2008-040 BiMo2O7(OH)•2H2O P 2₁/m 2/m

28.00.00.00 Radiobarite* (Ba,Ra)SO4 2/m 2/m 2/m

28.00.00.00 Zincosite* ZnSO4 Unk Ortho

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

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 :

IMA2008-029

(NH4)3Fe(SO4)3
Dana No: 28.00.00.00 Strunz No: 07.AC.
Locality:

Notes: