General Arctite Information![]() Na2Ca4(PO4)3F |
![]() Molecular Weight = 510.20 gm |
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Sodium 9.01 % Na 12.15 % Na2O |
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Calcium 31.42 % Ca 43.96 % CaO |
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Phosphorus 18.21 % P 41.73 % P2O5 |
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Oxygen 37.63 % O |
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Fluorine 3.72 % F 3.72 % F |
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- %
F -1.57 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() Na2Ca4(PO4)3F |
![]() Found in a drill core. |
![]() Approved IMA 1981 |
![]() Drill core from the valley of the Vounnimi River, Khibina alkalic massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
![]() Named for the arctic region where it was found. |
![]() Arctite |
![]() ![]() ICSD 20649 |
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PDF 33-1228 |
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Arctite Crystallography![]() a:c = 1:5.82127 |
![]() a = 7.078, c = 41.203, Z = 6; V = 1,787.64 Den(Calc)= 2.84 |
![]() Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
![]() By Intensity(I/Io): 2.746(1), 3.43(0.32), 13.8(0.25), |
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| Physical Properties of Arctite![]() {001} Perfect |
![]() Colorless. |
![]() 3.11 - 3.13, Average = 3.12 |
![]() Transparent |
![]() 5 - Apatite |
![]() Vitreous - Pearly |
![]() white |
| Optical Properties of Arctite![]() CI meas= 0.044 (Good) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.051 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2033,KPDmeas= 0.1851,KC= 0.1935 Ncalc = 1.55 - 1.61 ![]() Uniaxial (-), e=1.577, w=1.578, bire=0.0010. |
| Calculated Properties of Arctite![]() Bulk Density (Electron Density)=3.08 gm/cc |
note: Specific Gravity of Arctite =3.12 gm/cc. ![]() Fermion Index = 0.0006048124 |
Boson Index = 0.9993951876 ![]() PEArctite = 4.91 barns/electron |
U=PEArctite x rElectron Density= 15.14 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Arctite is Not Radioactive | Arctite Classification![]() 41.05.18.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.05)where (A B)2 (XO4) Zq |
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(41.05.18)Dana Group |
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![]() 08.BN.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BN -With only large cations, (OH, etc.):RO4 = 0.33:1 |
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| Other Arctite Information![]() NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Arctite : |
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 15 - WWW-MINCRYST Search for Arctite using: Visit our Advertisers for Arctite : A Bijoux Google Search for ArctiteAdam's Minerals Google Search for Arctite Cape Minerals Google Search for Arctite Dakota Matrix Minerals Google Search for Arctite Excalibur Mineral Corp. Google Search for Arctite Exceptional Minerals Google Search for Arctite John Betts Fine Minerals Search for Arctite McDougall Minerals Google Search for Arctite Mineral News Website Link Rock and Mineral Shows Google Search for Arctite Weinrich Minerals, Inc. Google Search for Arctite Ask about Arctite here : Print or Cut-and-Paste your Arctite Specimen Label here :
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