General Stanekite Information![]() Fe+++(Mn,Fe++,Mg)(PO4)O |
![]() Molecular Weight = 218.97 gm |
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Magnesium 1.11 % Mg 1.84 % MgO |
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Manganese 15.05 % Mn 19.44 % MnO |
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Iron 33.16 % Fe 9.84 % FeO / 36.47 % Fe2O3 |
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Phosphorus 14.15 % P 32.41 % P2O5 |
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Oxygen 36.53 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() Fe3+Mn2+0.6Fe2+0.3Mg0.1(PO4)O |
![]() Related to triploidite and wolfeite. |
![]() Approved IMA 1997 (Dana # Added) |
![]() The Clementine II pegamtite, Okatjimukuja farm, Karibib, Namibia. Link to MinDat.org Location Data. |
![]() Named after Josef Stanek (1928-1995), Professor of Mineralogy, Masarykov University, Brno, Czech Republic, a specialist in phosphate mineralogy. |
![]() Stanekite + Pronunciation |
![]() ![]() IMA1994-045 |
| | Search for Stanekite Images
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| | Stanekite Crystallography![]() a:b:c =0.9353:1:0.7888 |
![]() a = 11.844, b = 12.662, c = 9.989, Z = 16; beta = 105.933° V = 1,440.49 Den(Calc)= 4.04 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
![]() By Intensity(I/Io): 2.971(1), 2.809(0.85), 2.857(0.58), |
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| Physical Properties of Stanekite![]() {hk0} Parting |
![]() Black. |
![]() 3.8 |
![]() Opaque to subtranslucent |
![]() Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende). |
![]() Anhedral Grains - Granular minerals without the expression of crystal shapes |
![]() 4-5 - Fluorite-Apatite |
![]() Sub Metallic |
![]() dark brown |
| Optical Properties of Stanekite![]() CI meas= -0.189 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.118 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2624,KPDmeas= 0.2789,KC= 0.2347 Ncalc = 1.89 - 1.95 ![]() Biaxial (?), a=2.01, b=2.11, |
![]() Distinct, pale brownish gray. |
![]() Weak. |
![]() Pale gray with reddish yellow to brownish red internal reflections. |
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| Calculated Properties of Stanekite![]() Bulk Density (Electron Density)=3.87 gm/cc |
note: Specific Gravity of Stanekite =4.04 gm/cc. ![]() Fermion Index = 0.0083145264 |
Boson Index = 0.9916854736 ![]() PEStanekite = 14.64 barns/electron |
U=PEStanekite x rElectron Density= 56.74 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Stanekite is Not Radioactive | Stanekite Classification![]() 41.06.03.04 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.06)where (A)2 (XO4) Zq |
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(41.06.03)Wolfeite Group |
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![]() 08.BB.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1 |
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| Other Stanekite Information![]() NAME( MinRec) PHYS. PROP.(Eur. J. Min.,Vol.9,p475-482,1997) OPTIC PROP.(AntBidBlaNic4, MinRec) |
![]() Links to other databases for Stanekite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Stanekite using: Visit our Advertisers for Stanekite : A Bijoux Google Search for StanekiteAdam's Minerals Google Search for Stanekite Cape Minerals Google Search for Stanekite Dakota Matrix Minerals Google Search for Stanekite Excalibur Mineral Corp. Google Search for Stanekite Exceptional Minerals Google Search for Stanekite John Betts Fine Minerals Search for Stanekite McDougall Minerals Google Search for Stanekite Mineral News Website Link Rock and Mineral Shows Google Search for Stanekite Weinrich Minerals, Inc. Google Search for Stanekite Ask about Stanekite here : Print or Cut-and-Paste your Stanekite Specimen Label here :
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