Lausenite Mineral Data

General Lausenite Information

Chemical Formula:

Fe+++2(SO4)3•6(H2O)

Composition:

Molecular Weight = 507.98 gm

Iron 21.99 % Fe 31.44 % Fe₂O₃

Hydrogen 2.38 % H 21.28 % H₂O

Sulfur 18.94 % S 47.28 % SO₃

Oxygen 56.69 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe³⁺₂(SO₄)₃•6(H₂O)

Environment:

Formed as the result of a mine fire.

IMA Status:

Valid Species (Pre-IMA) 1928

Locality:

United Verde mine, Jerome, Arizona, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Carl Lausen, U. S. Mining engineer, who first described the species.

Name Pronunciation:

Lausenite + Pronunciation

Lausenite Image

Images:

Lausenite

Comments: Pale tan crystalline powdery aggregate of lausenite.
Location: United Verde Mine, Jerome, Yavapai County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lausenite Crystallography

Crystal System:

Monoclinic Space Group: Unk.

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

By Intensity(I/I_o): 3.38(1), 3.52(1), 2.07(0.6),2.85(0.5), 3.03(0.5), 2.28(0.4), 2.52(0.4), 5.55(0.4),

Physical Properties of Lausenite

Color:

White.

Habit:

Fibrous - Crystals made up of fibers.

Luminescence:

Non-fluorescent.

Luster:

Silky

Streak:

white

Optical Properties of Lausenite

Optical Data:

Biaxial (-), a=1.598, b=1.628, g=1.654, bire=0.0560

Calculated Properties of Lausenite

Fermion Index:

Fermion Index = 0.0063574733
Boson Index = 0.9936425267

Photoelectric:

PE_Lausenite= 7.57 barns/electron
U=PE_Lausenite x rElectron Density= . barns/cc.

Radioactivity:

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

Lausenite Classification

Dana Class:

29.08.01.01 (29)Hydrated Acid and Sulfates

(29.08)where (A)2 (XO4)3 ï¿½ x(H2O)

(29.08.01)Dana Group

29.08.01.01 Lausenite Fe2(SO4)3•6(H2O) Unk. Mono

Strunz Class:

07.CB.70 07 - SULFATES (SELENATES, TELLURATES)

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

07.CB -With only medium-sized cations

07.CB.70 Lausenite Fe2(SO4)3•6(H2O) Unk. Mono

Other Lausenite Information

References:

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

See Also:

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

Lausenite

Fe+++2(SO4)3•6(H2O)
Dana No: 29.08.01.01 Strunz No: 07.CB.70
Locality:

Notes: