Mineralogy Database

Simferite Mineral Data

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General Simferite Information

Help on Chemical  Formula: Chemical Formula: Li(Mg,Fe+++,Mn+++)2(PO4)2
Help on Composition: Composition: Molecular Weight = 276.67 gm
   Lithium      2.51 %  Li    5.40 % Li2O
   Magnesium    8.78 %  Mg   14.57 % MgO
   Manganese    7.94 %  Mn   11.41 % Mn2O3
   Iron        12.11 %  Fe   17.32 % Fe2O3
   Phosphorus  22.39 %  P    51.30 % P2O5
   Oxygen      46.26 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: LiMgFe3+0.6Mn3+0.4(PO4)2
Help on Environment: Environment: Occurs at the contact of REE-bearing pegmatite and phlogopitized tremolitic rock.
Help on IMA Status: IMA Status: Approved IMA 1999
Help on Locality: Locality: Radionovskoye pegmatite field, middle Berda River, Zaporozhe district, Ukraine. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Name is derived from the Greek for "hospitable," in allusion to the fact that four (non-P) cations enter its structure.
Help on Name Pronunciation: Name Pronunciation: Simferite + Pronunciation Say SIMFERITE
Help on Synonym: Synonym: ICSD 71764
  PDF 81-424

Simferite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4699:1:0.584
Help on Cell Dimensions: Cell Dimensions: a = 4.747, b = 10.101, c = 5.8992, Z = 2; V = 282.86 Den(Calc)= 3.25
Help on Crystal System: Crystal System: Orthorhombic Space Group: Pbnm or Pbn21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.48(1)(131), 4.3(0.9)(110), 2.93(0.8)(002),1.01(0.6), 2.23(0.6)(140), 2.42(0.6)(112), 3.45(0.6)(120),

Physical Properties of Simferite

Help on Cleavage: Cleavage: {010} Distinct, {100} Poor
Help on Color: Color: Dark red.
Help on Density: Density: 3.22 - 3.27, Average = 3.24
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: brown

Optical Properties of Simferite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.045 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.046 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2179,KPDmeas= 0.2183,KC= 0.2285
Ncalc = 1.74 - 1.75
Help on Optical Data: Optical Data: Biaxial (?), a=1.69-1.704, b=1.702-1.716, g=1.712-1.726, bire=0.0220, 2V(Calc)=84, 2V(Meas)=-60. Dispersion strong, r > v.
Help on Pleochroism (x): Pleochroism (x): light brown or brownish red.
Help on Pleochroism (y): Pleochroism (y): brownish yellow or brown.
Help on Pleochroism (z): Pleochroism (z): yellow or reddish yellow.

Calculated Properties of Simferite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.16 gm/cc
note: Specific Gravity of Simferite =3.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESimferite = 6.94 barns/electron
U=PESimferite x rElectron Density= 21.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Simferite is Not Radioactive

Simferite Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.05)with miscellaneous formulae
  (38.05.07)Dana Group Simferite Li(Mg,Fe,Mn)2(PO4)2 Pbnm or Pbn21 Ortho
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 Simferite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,v78,p452, v91, p1205) OPTIC PROP.(Am.Min.,Vol.78,p452,1993)
Help on See Also: See Also: Links to other databases for Simferite :
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.AB.10





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