Mineralogy Database

Lithiophosphate Mineral Data

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General Lithiophosphate Information

Help on Chemical  Formula: Chemical Formula: Li3PO4
Help on Composition: Composition: Molecular Weight = 115.79 gm
   Lithium     17.98 %  Li   38.71 % Li2O
   Phosphorus  26.75 %  P    61.29 % P2O5
   Oxygen      55.27 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Li3(PO4)
Help on Environment: Environment: Hydrothermal replacement of montebrasite in the core of a granite pegmatite in amphibolite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Mt. Okhmylk, VoronI massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its content of lithium and phosphate.
Help on Name Pronunciation: Name Pronunciation: Lithiophosphate + Pronunciation Say LITHIOPHOSPHATE
Help on Synonym: Synonym: ICSD 77095
  PDF 25-1030

Lithiophosphate Image

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  Lithiomarsturite   Lithiophosphate

Comments: Tan-brown lithiomarsturite with cream-colored lithiophosphate in matrix.
Location: Foote Mine, Kings Mtn, North Carolina, USA. Scale: 2" x 3".
© Chris Wright / Wrights Rock Shop

Lithiophosphate Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.1684:1:0.9257
Help on Cell Dimensions: Cell Dimensions: a = 6.1155, b = 5.234, c = 4.8452, Z = 2; V = 155.09 Den(Calc)= 2.48
Help on Crystal System: Crystal System: Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: P mn21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.635(1), 3.965(1), 3.794(0.9),

Physical Properties of Lithiophosphate

Help on Cleavage: Cleavage: {010} Perfect, {110} Distinct
Help on Color: Color: Colorless, White, Light pink.
Help on Density: Density: 2.478
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Lithiophosphate

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.025 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2252,KPDmeas= 0.2254,KC= 0.231
Ncalc = 1.57
Help on Optical Data: Optical Data: Biaxial (+), a=1.55-1.553, b=1.557-1.558, g=1.566-1.567, bire=0.0140-0.0160, 2V(Calc)=74-84, 2V(Meas)=69-80.

Calculated Properties of Lithiophosphate

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.40 gm/cc
note: Specific Gravity of Lithiophosphate =2.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PELithiophosphate = 1.40 barns/electron
U=PELithiophosphate x rElectron Density= 3.37 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiophosphate is Not Radioactive

Lithiophosphate Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.04)A+ XO4
  (38.04.10)Lithiophosphate Group Lithiophosphate Li3PO4 P mn21 mm2 Olympite LiNa5(PO4)2 P 212121 2 2 2 Nalipoite NaLi2PO4 Pmnb 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.AA.20 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.20 Lithiophosphate Li3PO4 P mn21 mm2

Other Lithiophosphate Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Lithiophosphate :
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

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Dana No: Strunz No: 08.AA.20





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