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Ferrisicklerite Mineral Data |
General Ferrisicklerite Information |
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Li(Fe+++,Mn++)PO4 | ||
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Molecular Weight = 157.53 gm | ||
Lithium 4.41 % Li 9.48 % Li2O | |||
Manganese 8.72 % Mn 11.26 % MnO | |||
Iron 26.59 % Fe 38.01 % Fe2O3 | |||
Phosphorus 19.66 % P 45.05 % P2O5 | |||
Oxygen 40.63 % O | |||
______ ______ | |||
100.00 % 103.81 % = TOTAL OXIDE | |||
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LiFe3+0.75Mn2+0.25(PO4) | ||
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Late hydrothermal alteration or weathering of triphylite-lithiophilite in complex zoned granite pegmatites. | ||
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Valid Species (Pre-IMA) 1937 | ||
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Varutrask pegmatite, 15 km northwest of Skelleftea, Vasterbotten, Sweden. Link to MinDat.org Location Data. | ||
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Named for its dominant ferric iron content and relation to sicklerite. | ||
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Ferrisicklerite + Pronunciation ![]() |
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Ferrisicklerite Image | |||
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Ferrisicklerite Crystallography |
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a:b:c =0.59:1:0.4783 | ||
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a = 5.916, b = 10.026, c = 4.7956, Z = 4; V = 284.45 Den(Calc)= 3.68 | ||
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Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb | ||
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By Intensity(I/Io): 2.959(1), 5.01(0.7), 4.33(0.4), | ||
Physical Properties of Ferrisicklerite |
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{100} Good | ||
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Yellow brown, Dark brown. | ||
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3.41 | ||
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Opaque | ||
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4 - Fluorite | ||
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Earthy (Dull) | ||
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light brown | ||
Optical Properties of Ferrisicklerite |
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CI meas= 0.069 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.137 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2188,KPDmeas= 0.2361,KC= 0.2535 Ncalc = 1.86 - 1.93 |
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Biaxial (-), a=1.79, b=1.805, g=1.82, bire=0.0300, 2V(Calc)=88, 2V(Meas)=85. | ||
Calculated Properties of Ferrisicklerite |
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Bulk Density (Electron Density)=3.28 gm/cc note: Specific Gravity of Ferrisicklerite =3.41 gm/cc. |
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Fermion Index = 0.0091363025 Boson Index = 0.9908636975 |
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PEFerrisicklerite = 11.25 barns/electron U=PEFerrisicklerite x rElectron Density= 36.89 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ferrisicklerite is Not Radioactive |
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Ferrisicklerite Classification |
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38.01.04.01 (38)Anhydrous Phosphates, etc | ||
(38.01)A+ B++ XO4 | |||
(38.01.04)Dana Group | |||
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08.AB.10 08 - PHOSPHATES, ARSENATES, VANADATES | ||
08.A - Phosphates, etc. without additional anions, without H2O | |||
08.AB -With medium-sized cations | |||
Other Ferrisicklerite Information |
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NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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Links to other databases for Ferrisicklerite : 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 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info 14 - WWW-MINCRYST Search for Ferrisicklerite using: Visit our Advertisers for Ferrisicklerite : Ask about Ferrisicklerite here : Print or Cut-and-Paste your Ferrisicklerite Specimen Label here :
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