General Buchwaldite Information![]() NaCaPO4 |
![]() Molecular Weight = 158.04 gm |
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Sodium 14.55 % Na 19.61 % Na2O |
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Calcium 25.36 % Ca 35.48 % CaO |
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Phosphorus 19.60 % P 44.91 % P2O5 |
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Oxygen 40.49 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() NaCa(PO4) |
![]() As inclusions in troilite nodules in an iron meteorite. |
![]() Approved IMA 1977 |
![]() In the Agpalilik and other fragments of the Cape York iron meteorite. Link to MinDat.org Location Data. |
![]() To honor Dr. Vagn Fabius Buchwald (1929- ), Technical University of Denmark, Lyngby, Denmark, for his contributions to the study of iron meteorites. |
![]() Buchwaldite + Pronunciation |
![]() ![]() ICSD 35629 ? |
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PDF 29-1194 |
| | Search for Buchwaldite Images
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| | Buchwaldite Crystallography![]() a:b:c =0.558:1:0.7276 |
![]() a = 5.167, b = 9.259, c = 6.737, Z = 4; V = 322.31 Den(Calc)= 3.26 |
![]() Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mn21 |
![]() By Intensity(I/Io): 2.72(1), 3.79(0.9), 1.91(0.8), |
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| Physical Properties of Buchwaldite![]() White. |
![]() 3.21 |
![]() 2-3 - Gypsum-Calcite |
![]() white |
| Optical Properties of Buchwaldite![]() CI meas= 0.019 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1874,KPDmeas= 0.1903,KC= 0.194 Ncalc = 1.62 - 1.63 ![]() Biaxial (-), a=1.607, b=1.61, g=1.616, bire=0.0090, 2V(Calc)=72, 2V(Meas)=65. |
| Calculated Properties of Buchwaldite![]() Bulk Density (Electron Density)=3.17 gm/cc |
note: Specific Gravity of Buchwaldite =3.21 gm/cc. ![]() Fermion Index = 0.0005367288 |
Boson Index = 0.9994632712 ![]() PEBuchwaldite = 4.30 barns/electron |
U=PEBuchwaldite x rElectron Density= 13.62 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Buchwaldite is Not Radioactive | Buchwaldite Classification![]() 38.01.02.02 (38)Anhydrous Phosphates, etc |
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(38.01)A+ B++ XO4 |
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(38.01.02)Dana Group |
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![]() 08.AD.25 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AD -With only large cations |
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| Other Buchwaldite Information![]() NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Buchwaldite : |
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 Buchwaldite using: Visit our Advertisers for Buchwaldite : A Bijoux Google Search for BuchwalditeAdam's Minerals Google Search for Buchwaldite Cape Minerals Google Search for Buchwaldite Dakota Matrix Minerals Google Search for Buchwaldite Excalibur Mineral Corp. Google Search for Buchwaldite Exceptional Minerals Google Search for Buchwaldite John Betts Fine Minerals Search for Buchwaldite McDougall Minerals Google Search for Buchwaldite Mineral News Website Link Rock and Mineral Shows Google Search for Buchwaldite Weinrich Minerals, Inc. Google Search for Buchwaldite Ask about Buchwaldite here : Print or Cut-and-Paste your Buchwaldite Specimen Label here :
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