Mineralogy Database

Lithiophilite Mineral Data

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General Lithiophilite Information

Help on Chemical  Formula: Chemical Formula: LiMnPO4
Help on Composition: Composition: Molecular Weight = 156.85 gm
   Lithium      4.43 %  Li    9.53 % Li2O
   Manganese   35.03 %  Mn   45.23 % MnO
   Phosphorus  19.75 %  P    45.25 % P2O5
   Oxygen      40.80 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: LiMn2+(PO4)
Help on Environment: Environment: Istostructural with olivine.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1878
Help on Locality: Locality: Branchville, Redding, Fairfield Co., Connecticut, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the composition, Lithium, and from the Greek for "friend".
Help on Name Pronunciation: Name Pronunciation: Lithiophilite Say LITHIOPHILITE
Help on Synonym: Synonym: ICSD 25834
  PDF 33-803
 

Lithiophilite Image

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  Lithiophilite

Comments: Twinned crystals of yellowish brown lithiophilite.
Location: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Sicklerite   Lithiophilite

Comments: Mottled tan-green-pink massive sicklerite with dark brown lithiophilite on quartz.
Location: Custer Mountain Lode, Custer County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Triploidite   Lithiophilite

Comments: Salmon-colored prismatic crystalline triploidite with brown lithiophilite.
Location: Capoeira Mine, near Parelhas, Rio Grande do Norte, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lithiophilite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5839:1:0.4524
Help on Cell Dimensions: Cell Dimensions: a = 6.108, b = 10.459, c = 4.732, Z = 4; V = 302.30 Den(Calc)= 3.45
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.548(1), 3.051(0.9), 3.516(0.5),
Help on Forms: Forms:

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Forms: ( 0 2 1) ( 0 1 0) ( 1 2 0) ( 1 3 0) ( 0 1 1) ( 1 0 0)

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Physical Properties of Lithiophilite

Help on Cleavage: Cleavage: {100} Perfect, {010} Very Good, {011} Imperfect
Help on Color: Color: Brown, Yellowish brown, Salmon, Brownish, Blackish.
Help on Density: Density: 3.34
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: gray white
 

Optical Properties of Lithiophilite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.004 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1956,KPDmeas= 0.202,KC= 0.2011
Ncalc = 1.67 - 1.69
Help on Optical Data: Optical Data: Biaxial (+), a=1.669, b=1.673, g=1.682, bire=0.0130, 2V(Calc)=68, 2V(Meas)=65.
 

Calculated Properties of Lithiophilite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.19 gm/cc
note: Specific Gravity of Lithiophilite =3.34 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0035147746
Boson Index = 0.9964852254
Help on Photoelectric: Photoelectric: PELithiophilite = 10.03 barns/electron
U=PELithiophilite x rElectron Density= 32.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiophilite is Not Radioactive
 

Lithiophilite Classification

Help on  Dana Class: Dana Class: 38.01.01.02 (38)Anhydrous Phosphates, etc
  (38.01)A+ B++ XO4
  (38.01.01)Triphylite Group
 
38.01.01.01 Triphylite LiFePO4 Pbnm 2/m 2/m 2/m
 
38.01.01.02 Lithiophilite LiMnPO4 Pmnb 2/m 2/m 2/m
 
38.01.01.03 Natrophilite NaMnPO4 Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.AB.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AB -With medium-sized cations
 
08.AB.10 Ferrisicklerite Li(Fe,Mn)PO4 Pmnb 2/m 2/m 2/m
 
08.AB.10 Heterosite FePO4 Pmnb 2/m 2/m 2/m
 
08.AB.10 Natrophilite NaMnPO4 Pnam 2/m 2/m 2/m
 
08.AB.10 Lithiophilite LiMnPO4 Pmnb 2/m 2/m 2/m
 
08.AB.10 Purpurite MnPO4 Pmnb 2/m 2/m 2/m
 
08.AB.10 Sicklerite Li(Mn,Fe)PO4 Pmnb 2/m 2/m 2/m
 
08.AB.10 Simferite Li(Mg,Fe,Mn)2(PO4)2 Pbnm or Pbn21 Ortho
 
08.AB.10 Triphylite LiFePO4 Pbnm 2/m 2/m 2/m
 

Other Lithiophilite Information

Help on References: References: NAME( Dana8) 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 Lithiophilite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - Scandinavian mineral gallery

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Lithiophilite

LiMnPO4
Dana No: 38.01.01.02 Strunz No: 08.AB.10
Locality:

 

Notes:

 

 
   
 


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