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Ferrolaueite Mineral Data
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General Ferrolaueite Information
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Chemical Formula: |
Fe++Fe+++2(PO4)2(OH)2•8(H2O) |
Composition: |
Molecular Weight = 535.62 gm |
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Iron 31.28 % Fe 13.41 % FeO / 29.81 % Fe2O3 |
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Phosphorus 11.57 % P 26.50 % P2O5 |
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Hydrogen 3.39 % H 30.27 % H2O |
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Oxygen 53.77 % O |
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______ ______ |
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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. |
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Ferrolaueite Image |
Images:
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Ferrolaueite Crystallography
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Crystal System: |
Triclinic |
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Physical Properties of Ferrolaueite
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Cleavage: |
{???} Perfect |
Color: |
Brownish yellow, Light yellow. |
Hardness: |
3 - Calcite |
Streak: |
white |
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Optical Properties of Ferrolaueite
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Optical Data: |
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Calculated Properties of Ferrolaueite
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Fermion Index: |
Fermion Index = 0.0068944793 Boson Index = 0.9931055207 |
Photoelectric: |
PEFerrolaueite = 9.68 barns/electron U=PEFerrolaueite x rElectron Density= . barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ferrolaueite is Not Radioactive |
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Ferrolaueite Classification
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Dana Class: |
42.11.10.05 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.11)where (AB)4 (XO4)3 Zq � x(H2O) |
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(42.11.10)Laueite Group |
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42.11.10.01 Laueite MnFe2(PO4)2(OH)2•8(H2O) P1 1 |
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42.11.10.02 Stewartite MnFe2(PO4)2(OH)2•8(H2O) P1 1 |
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42.11.10.03 Pseudolaueite MnFe2(PO4)2(OH)2•7-8(H2O) P 21/a 2/m |
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42.11.10.04 Ushkovite MgFe2(PO4)2(OH)2•8(H2O) P1 1 |
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42.11.10.05 Ferrolaueite! FeFe2(PO4)2(OH)2•8(H2O) Tri |
Strunz Class: |
08.DC.30 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1 |
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08.DC.30 Gordonite MgAl2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Ferrolaueite! FeFe2(PO4)2(OH)2•8(H2O) Tri |
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08.DC.30 Mangangordonite (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Laueite MnFe2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Sigloite FeAl2(PO4)2(OH)3•5(H2O) P1 1 |
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08.DC.30 Pseudolaueite MnFe2(PO4)2(OH)2•7-8(H2O) P 21/a 2/m |
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08.DC.30 Paravauxite FeAl2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Stewartite MnFe2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Ushkovite MgFe2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Kastningite! (Mn,Fe,Mg)Al2(PO4)2(OH)2•8(H2O) P1 1 |
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08.DC.30 Maghrebite! MgAl2(AsO4)2(OH)2•8H2O P1 1 |
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Other Ferrolaueite Information
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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:
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