Triphylite  Mineral Data

Triphylite Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs
For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an
A Bijoux.com is an online store specialized in the sale on the internet of precious stones , gems , minerals and jewels for individuals and professionals
Adamsminerals.com- Online mineral store front for mineral collectors

General Triphylite Information

Help on Chemical  Formula: Chemical Formula: LiFe++PO4
Help on Composition: Composition: Molecular Weight = 157.76 gm
   Lithium      4.40 %  Li    9.47 % Li2O
   Iron        35.40 %  Fe   45.54 % FeO
   Phosphorus  19.63 %  P    44.99 % P2O5
   Oxygen      40.57 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: LiFe2+(PO4)
Help on Environment: Environment: Secondary mineral commonly pseudomorphic of the original species.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1834
Help on Locality: Locality: Branchville, Connecticut, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek tri - "threefold" and fylon - "family" in allusion to the three cations in the formula.
Help on Name Pronunciation: Name Pronunciation: Triphylite + Pronunciation Say TRIPHYLITE
Help on Synonym: Synonym: ICSD 72545
  PDF 40-1499
 

Triphylite Image

Click Here for Larger Triphylite Image in a New Browser Window Images:
Click Here for Larger Triphylite Image

Triphylite

Comments: Dark gray-blue prismatic triphylite crystals in pegmatite rock.
Location: Newry, Oxford County, Maine, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Triphylite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5819:1:0.454
Help on Cell Dimensions: Cell Dimensions: a = 6.0285, b = 10.3586, c = 4.7031, Z = 4; V = 293.69 Den(Calc)= 3.57
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.54(1), 3.51(0.9), 4.29(0.9),
Help on Forms: 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 1 0) ( 1 2 0) ( 0 2 1) ( 0 1 1) ( 1 0 0)

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

Click Here for Large Triphylite Structure Window 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, Sample: Trip50, Locality: BB#7 Quarry, Norway, Maine

View Additional jPOWD Structure files for Triphylite
[1] [2]
 

Physical Properties of Triphylite

Help on Cleavage: Cleavage: {001} Perfect, {110} Good
Help on Color: Color: Gray, Bluish gray, Brownish, Blackish.
Help on Density: Density: 3.4 - 3.6, Average = 3.5
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Greasy (Oily)
Help on Streak: Streak: grayish white
 

Optical Properties of Triphylite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1944,KPDmeas= 0.1983,KC= 0.197
Ncalc = 1.67 - 1.71
Help on Optical Data: Optical Data: Biaxial (+/-), a=1.689-1.694, b=1.689-1.695, g=1.695-1.702, bire=0.0060-0.0080
 

Calculated Properties of Triphylite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.37 gm/cc
note: Specific Gravity of Triphylite =3.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PETriphylite = 11.65 barns/electron
U=PETriphylite x rElectron Density= 39.29 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Triphylite is Not Radioactive
 

Triphylite Classification

Help on  Dana Class: Dana Class: 38.01.01.01 (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 Triphylite Information

Help on References: References: NAME( Duda&Rejl90) 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 Triphylite :
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
17 - WWW-MINCRYST

Search for Triphylite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Triphylite :

A Bijoux Google Search for Triphylite
Adam's Minerals Google Search for Triphylite
Cape Minerals Google Search for Triphylite
Dakota Matrix Minerals Google Search for Triphylite
Excalibur Mineral Corp. Google Search for Triphylite
Exceptional Minerals Google Search for Triphylite
John Betts Fine Minerals Search for Triphylite
McDougall Minerals Google Search for Triphylite
Mineral News Website Link
Rock and Mineral Shows Google Search for Triphylite
Weinrich Minerals, Inc. Google Search for Triphylite

Ask about Triphylite 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 Espaņol

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

Triphylite

LiFe++PO4
Dana No: 38.01.01.01 Strunz No: 08.AB.10
Locality:

 

Notes: