Mineralogy Database

Natrophilite Mineral Data

Search Webmineral :
  
Advertisment

General Natrophilite Information

Help on Chemical  Formula: Chemical Formula: NaMnPO4
Help on Composition: Composition: Molecular Weight = 172.90 gm
   Sodium      13.30 %  Na   17.92 % Na2O
   Manganese   31.77 %  Mn   41.03 % MnO
   Phosphorus  17.91 %  P    41.05 % P2O5
   Oxygen      37.01 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaMn2+(PO4)
Help on Environment: Environment: Replacing lithiophilite, in a complex granite pegmatite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1890
Help on Locality: Locality: Branchville, Fairfield Co., Connecticut, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its content of sodium, natrium, and from the Greek for a friend.
Help on Name Pronunciation: Name Pronunciation: Natrophilite + Pronunciation Say NATROPHILITE
Help on Synonym: Synonym: ICSD 201771
  PDF 25-846
 

Natrophilite Image

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

  Natrophilite

Comments: Natrophilite with lithiophilite.
Location: Abija N. Fillow Quarry (Branchville Quarry), Branchville, Redding, Fairfield Co., Connecticut, USA. Scale: Specimen Size 3.7 x 2.2 x 1.9 cm.
© Rob Lavinsky

Natrophilite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.106:1:1.258
Help on Cell Dimensions: Cell Dimensions: a = 10.53, b = 5, c = 6.29, Z = 4; V = 331.17 Den(Calc)= 3.47
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.72(1), 2.6(0.8), 3.72(0.7),
 

Physical Properties of Natrophilite

Help on Cleavage: Cleavage: {100} Good, {010} Indistinct
Help on Color: Color: Yellow.
Help on Density: Density: 3.41
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Resinous
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Natrophilite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.044 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1949,KPDmeas= 0.1983,KC= 0.19
Ncalc = 1.65 - 1.66
Help on Optical Data: Optical Data: Biaxial (+), a=1.671, b=1.674, g=1.684, bire=0.0130, 2V(Calc)=58, 2V(Meas)=75. Dispersion relatively strong.
 

Calculated Properties of Natrophilite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.33 gm/cc
note: Specific Gravity of Natrophilite =3.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001776691
Boson Index = 0.9998223309
Help on Photoelectric: Photoelectric: PENatrophilite = 9.25 barns/electron
U=PENatrophilite x rElectron Density= 30.81 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natrophilite is Not Radioactive
 

Natrophilite Classification

Help on  Dana Class: Dana Class: 38.01.01.03 (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 Natrophilite Information

Help on References: References: NAME( AntBidBlaNic5) 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 Natrophilite :
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
15 - WWW-MINCRYST

Search for Natrophilite using:

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

Visit our Advertisers for Natrophilite :

Ask about Natrophilite 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 Natrophilite Specimen Label here :

Natrophilite

NaMnPO4
Dana No: 38.01.01.03 Strunz No: 08.AB.10
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.