Lithiophilite Mineral Data

[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop

General Lithiophilite Information

Chemical Formula:

LiMnPO4

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

Empirical Formula:

LiMn²⁺(PO₄)

Environment:

Istostructural with olivine.

IMA Status:

Valid Species (Pre-IMA) 1878

Locality:

Branchville, Redding, Fairfield Co., Connecticut, USA Link to MinDat.org Location Data.

Name Origin:

Named from the composition, Lithium, and from the Greek for "friend".

Name Pronunciation:

Lithiophilite

Synonym:

ICSD 25834

PDF 33-803

Lithiophilite Image

Images:

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

Images:

Lithiophilite Sicklerite

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

Images:

Lithiophilite Triploidite

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

Axial Ratios:

a:b:c =0.5839:1:0.4524

Cell Dimensions:

a = 6.108, b = 10.459, c = 4.732, Z = 4; V = 302.30 Den(Calc)= 3.45

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmnb

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.548(1), 3.051(0.9), 3.516(0.5),

Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

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

Warning: this large pop-up is very compute intensive and may not work well with some computers.

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Losey A , Rakovan J F , Hughes J M , Francis C A , Dyar M D , The Canadian Mineralogist , 42 (2004) p.1105-1115, Structural variation in the lithiophilite-triphylite series, and other olivine-group structures, Note: sample Trip06, Locality: Bennett Quarry, Buckfield, Maine

View Additional jPOWD Structure files for Lithiophilite
[1]

Physical Properties of Lithiophilite

Cleavage:

{100} Perfect, {010} Very Good, {011} Imperfect

Color:

Brown, Yellowish brown, Salmon, Brownish, Blackish.

Density:

3.34

Diaphaneity:

Transparent to Translucent

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

4-5 - Fluorite-Apatite

Luster:

Vitreous - Resinous

Streak:

gray white

Optical Properties of Lithiophilite

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

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

Electron Density:

Bulk Density (Electron Density)=3.19 gm/cc
note: Specific Gravity of Lithiophilite =3.34 gm/cc.

Fermion Index:

Fermion Index = 0.0035147746
Boson Index = 0.9964852254

Photoelectric:

PE_{Lithiophilite}= 10.03 barns/electron
U=PE_{Lithiophilite} x rElectron Density= 32.04 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiophilite is Not Radioactive

Lithiophilite Classification

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

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

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - Scandinavian mineral gallery

Search for Lithiophilite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Lithiophilite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Lithiophilite Mineral Data :

Ask about Lithiophilite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Lithiophilite Specimen Label here :

Lithiophilite

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

Notes: