Millosevichite Mineral Data

General Millosevichite Information

Chemical Formula:

(Al,Fe+++)2(SO4)3

Composition:

Molecular Weight = 356.59 gm

Aluminum 11.35 % Al 21.45 % Al₂O₃

Iron 7.83 % Fe 11.20 % Fe₂O₃

Sulfur 26.98 % S 67.36 % SO₃

Oxygen 53.84 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Al_1.5Fe³⁺_0.5(SO₄)₃

Environment:

Found in fumaroles and coal deposits.

IMA Status:

Valid Species (Pre-IMA) 1913

Locality:

Vulcano, Lipari Islands, Italy. Link to MinDat.org Location Data.

Name Origin:

Named for F. Millosevich (1874-1942), Italian mineralogist, University of Rome.

Name Pronunciation:

Millosevichite + Pronunciation

Synonym:

ICSD 73249

PDF 42-1410

Millosevichite Image

Images:

Millosevichite

Comments: Porous crust of Millosevichite.
Location: Schoeller Mine, Kladno, Stredoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Millosevichite Crystallography

Axial Ratios:

a:c = 1:2.63078

Cell Dimensions:

a = 8.055, c = 21.191, Z = 6; V = 1,190.73 Den(Calc)= 2.98

Crystal System:

Trigonal - Rhombohedral H-M Symbol ( 3) Space Group: R 3

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

By Intensity(I/I_o): 3.502(1), 2.033(0.4), 5.82(0.35),

Physical Properties of Millosevichite

Color:

Red, Clear red, Brick red.

Density:

2.86

Hardness:

1.5 - Between Talc and Gypsum

Streak:

red

Optical Properties of Millosevichite

Gladstone-Dale:

CI meas= 0.108 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.144 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1703,KPDmeas= 0.1774,KC= 0.1989
Ncalc = 1.57 - 1.59

Optical Data:

Uniaxial (+), w=1.5, e=1.515, bire=0.0150.

Calculated Properties of Millosevichite

Electron Density:

Bulk Density (Electron Density)=2.83 gm/cc
note: Specific Gravity of Millosevichite =2.86 gm/cc.

Fermion Index:

Fermion Index = 0.0039418747
Boson Index = 0.9960581253

Photoelectric:

PE_{Millosevichite}= 4.28 barns/electron
U=PE_{Millosevichite} x rElectron Density= 12.12 barns/cc.

Radioactivity:

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

Millosevichite Classification

Dana Class:

28.04.05.01 (28)Anhydrous Acid and Sulfates

(28.04)with miscellaneous formulae

(28.04.05)Dana Group

28.04.05.01 Millosevichite (Al,Fe)2(SO4)3 R 3 3

28.04.05.02 Mikasaite Fe2(SO4)3 R 3 3

Strunz Class:

07.AB.05 07 - SULFATES (SELENATES, TELLURATES)

07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O

07.AB -With medium-sized cations

07.AB.05 Millosevichite (Al,Fe)2(SO4)3 R 3 3

07.AB.05 Mikasaite Fe2(SO4)3 R 3 3

Other Millosevichite 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 Millosevichite :
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

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Print or Cut-and-Paste your Millosevichite Specimen Label here :

Millosevichite

(Al,Fe+++)2(SO4)3
Dana No: 28.04.05.01 Strunz No: 07.AB.05
Locality:

Notes:

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