Ferrolaueite Mineral Data

General Ferrolaueite Information

Chemical Formula:

Fe++Fe+++2(PO4)2(OH)2•8(H2O)

Composition:

Molecular Weight = 535.62 gm

Iron 31.28 % Fe 13.41 % FeO / 29.81 % Fe₂O₃

Phosphorus 11.57 % P 26.50 % P₂O₅

Hydrogen 3.39 % H 30.27 % H₂O

Oxygen 53.77 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂•8(H₂O)

Environment:

Probably considerd to be ferroan laueite and not s separate species.

IMA Status:

Not Approved IMA 1992 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Named as the ferrous analog of laueite.

Ferrolaueite Image

Images:

Ferrolaueite

Comments: Pale tan microcrystal aggregates of ferro laueite on quartz.
Location: My Creek, Burlington County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrolaueite Crystallography

Crystal System:

Triclinic

Physical Properties of Ferrolaueite

Cleavage:

{???} Perfect

Color:

Brownish yellow, Light yellow.

Hardness:

3 - Calcite

Streak:

white

Optical Properties of Ferrolaueite

Optical Data:

Calculated Properties of Ferrolaueite

Fermion Index:

Fermion Index = 0.0068944793
Boson Index = 0.9931055207

Photoelectric:

PE_Ferrolaueite= 9.68 barns/electron
U=PE_Ferrolaueite x rElectron Density= . barns/cc.

Radioactivity:

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

Ferrolaueite Classification

Dana Class:

42.11.10.05 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.11)where (AB)4 (XO4)3 Zq · x(H2O)

(42.11.10)Laueite Group

42.11.10.01 Laueite MnFe2(PO4)2(OH)2•8(H2O) P1 1

42.11.10.02 Stewartite MnFe2(PO4)2(OH)2•8(H2O) P1 1

42.11.10.03 Pseudolaueite MnFe2(PO4)2(OH)2•7-8(H2O) P 2₁/a 2/m

42.11.10.04 Ushkovite MgFe2(PO4)2(OH)2•8(H2O) P1 1

42.11.10.05 Ferrolaueite! FeFe2(PO4)2(OH)2•8(H2O) Tri

Strunz Class:

08.DC.30 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1

08.DC.30 Gordonite MgAl2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Ferrolaueite! FeFe2(PO4)2(OH)2•8(H2O) Tri

08.DC.30 Mangangordonite (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Laueite MnFe2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Sigloite FeAl2(PO4)2(OH)3•5(H2O) P1 1

08.DC.30 Pseudolaueite MnFe2(PO4)2(OH)2•7-8(H2O) P 2₁/a 2/m

08.DC.30 Paravauxite FeAl2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Stewartite MnFe2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Ushkovite MgFe2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Kastningite! (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1

08.DC.30 Maghrebite! MgAl2(AsO4)2(OH)2•8H2O P1 1

Other Ferrolaueite Information

See Also:

Links to other databases for Ferrolaueite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Ferrolaueite

Fe++Fe+++2(PO4)2(OH)2•8(H2O)
Dana No: 42.11.10.05 Strunz No: 08.DC.30
Locality:

Notes: