Nalipoite Mineral Data
General Nalipoite Information
Chemical Formula:
NaLi2PO4
Composition:
Molecular Weight = 131.84 gm
Sodium 17.44 % Na 23.50 % Na2 O
Lithium 10.53 % Li 22.66 % Li2 O
Phosphorus 23.49 % P 53.83 % P2 O5
Oxygen 48.54 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
NaLi2 (PO4 )
Environment:
Sodalite syenite xenoliths associated with an intrusive alkalic gabbro-syenite complex.
IMA Status:
Approved IMA 1991
Locality:
Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data.
Name Origin:
Named for the principal chemical components in the composition, sodium Natrium, Lithium, Phosphorus, and Oxygen.
Name Pronunciation:
Nalipoite + Pronunciation
Synonym:
ICSD 69967
IMA1990-030
PDF 45-1348
Nalipoite Crystallography
Axial Ratios:
a:b:c =0.69:1:0.4938
Cell Dimensions:
a = 6.884, b = 9.976, c = 4.927, Z = 4; V = 338.36 Den(Calc)= 2.59
Crystal System:
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
X Ray Diffraction:
By Intensity(I/Io ): 3.441(1), 3.507(1), 4.02(1),
Physical Properties of Nalipoite
Color:
White, Light blue, Light yellow.
Density:
2.58
Diaphaneity:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Nalipoite
Gladstone-Dale:
CI meas = 0.02 (Excellent) - where the CI = (1-KPDmeas /KC ) CI calc = 0.024 (Excellent) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2077,KPDmeas = 0.2085,KC = 0.2127 Ncalc = 1.55
Optical Data:
Biaxial (-), a=1.533, b=1.54, g=1.541, bire=0.0080, 2V(Calc)=40, 2V(Meas)=41-49.
Calculated Properties of Nalipoite
Electron Density:
Bulk Density (Electron Density)=2.50 gm/cc note: Specific Gravity of Nalipoite =2.58 gm/cc.
Fermion Index:
Fermion Index = 0.0081298802 Boson Index = 0.9918701198
Photoelectric:
PENalipoite = 1.47 barns/electronU=PENalipoite x r Electron Density= 3.68 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nalipoite is Not Radioactive
Nalipoite Classification
Dana Class:
38.04.10.03 (38) Anhydrous Phosphates, etc
(38.04) A+ XO4
(38.04.10) Lithiophosphate Group
38.04.10.01 Lithiophosphate Li3PO4 P mn21 mm2
38.04.10.02 Olympite LiNa5(PO4)2 P 21 21 21 2 2 2
38.04.10.03 Nalipoite NaLi2PO4 Pmnb 2/m 2/m 2/m
Strunz Class:
08.AA.25 08 - PHOSPHATES, ARSENATES, VANADATES
08.A - Phosphates, etc. without additional anions, without H2O
08.AA -With small cations (some also with larger ones)
08.AA.25 Nalipoite NaLi2PO4 Pmnb 2/m 2/m 2/m
Other Nalipoite Information
References:
NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.77,p449,1992) OPTIC PROP.(Am.Min.,Vol.77,p449,1992)
See Also:
Links to other databases for Nalipoite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST
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Print or Cut-and-Paste your Nalipoite Specimen Label here :
Nalipoite
NaLi2PO4
Dana No: 38.04.10.03 Strunz No: 08.AA.25
Locality:
Notes:
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