General Filipstadite Information![]() (Mn++,Mg)4Sb+++++Fe+++O8 |
![]() Molecular Weight = 475.43 gm |
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Magnesium 7.67 % Mg 12.72 % MgO |
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Manganese 28.89 % Mn 37.30 % MnO |
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Aluminum 0.34 % Al 0.64 % Al2O3 |
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Iron 10.57 % Fe 15.12 % Fe2O3 |
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Antimony 25.61 % Sb 34.02 % Sb2O5 |
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Oxygen 26.92 % O |
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______ ______ |
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100.00 % 99.80 % = TOTAL OXIDE |
![]() Mn2+2.5Mg1.5Fe3+0.9SbAl0.06O8 |
![]() Metamorphosed Fe-Mn deposits. |
![]() Approved IMA 1988 |
![]() Langban and Jakobsberg, Varmland, Sweden. Link to MinDat.org Location Data. |
![]() Named for the town of Filipstad, Sweden, which is near the mine. |
![]() Filipstadite + Pronunciation |
![]() | | Filipstadite Image
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Filipstadite Crystallography![]() a:b:c =1:1:0.7057 |
![]() a = 36.7, b = 36.7, c = 25.9, Z = 216; V = 34,884.45 Den(Calc)= 4.89 |
![]() Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: pseudo ISO |
![]() By Intensity(I/Io): 2.56(1), 1.527(0.7), 1.662(0.6),2.157(0.4), 1.1251(0.3), 3.05(0.3), 4.97(0.2), |
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| Physical Properties of Filipstadite![]() None |
![]() Black, Dark brownish gray. |
![]() Opaque |
![]() Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
![]() Pseudo Octohedral - Crystals show an octohedral outline. |
![]() 6-6.5 - Orthoclase-Pyrite |
![]() Metallic |
![]() brown |
| Optical Properties of Filipstadite![]() Biaxial (?) |
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NCalc= 1.98 - from Gladstone-Dale relationship (KC = 0.1999) where Ncalc=Dcalc*KC+1 |
![]() Weak, in shades of dark brownish gray. |
![]() Gray, with amber-orange, brown, or red internal reflections. |
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| Calculated Properties of Filipstadite![]() Bulk Density (Electron Density)=4.52 gm/cc |
note: Specific Gravity of Filipstadite =4.89 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEFilipstadite = 92.73 barns/electron |
U=PEFilipstadite x rElectron Density= 419.07 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Filipstadite is Not Radioactive | Filipstadite Classification![]() 07.02.13.01 (07)Multiple Oxides |
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(07.02)(A+ B++)2 X4 Spinel group |
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(07.02.13)Dana Group |
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![]() 04.BB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.B - Metal:Oxygen = 3:4 and similar |
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04.BB -With only medium-sized cations |
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| Other Filipstadite Information![]() NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3) |
![]() Links to other databases for Filipstadite : |
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 Search for Filipstadite using: Visit our Advertisers for Filipstadite : A Bijoux Google Search for FilipstaditeAdam's Minerals Google Search for Filipstadite Cape Minerals Google Search for Filipstadite Dakota Matrix Minerals Google Search for Filipstadite Excalibur Mineral Corp. Google Search for Filipstadite Exceptional Minerals Google Search for Filipstadite John Betts Fine Minerals Search for Filipstadite McDougall Minerals Google Search for Filipstadite Mineral News Website Link Rock and Mineral Shows Google Search for Filipstadite Weinrich Minerals, Inc. Google Search for Filipstadite Ask about Filipstadite here : Print or Cut-and-Paste your Filipstadite Specimen Label here :
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