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Fluorophlogopite Mineral Data

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General Fluorophlogopite Information

Help on Chemical  Formula: Chemical Formula: KMg3(AlSi3)O10F2
Help on Composition: Composition: Molecular Weight = 415.82 gm
   Potassium   6.86 %  K     8.27 % K2O
   Sodium      0.44 %  Na    0.60 % Na2O
   Lithium     0.13 %  Li    0.29 % Li2O
   Magnesium  16.83 %  Mg   27.91 % MgO
   Titanium    0.69 %  Ti    1.15 % TiO2
   Manganese   0.13 %  Mn    0.17 % MnO
   Aluminum    5.06 %  Al    9.56 % Al2O3
   Iron        0.94 %  Fe    1.21 % FeO
   Silicon    21.34 %  Si   45.66 % SiO2
   Hydrogen    0.02 %  H     0.15 % H2O
   Oxygen     38.86 %  O
   Fluorine    8.68 %  F     8.68 % F
                -   %   F    -3.66 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.73Na0.08Li0.04Mg2.88Fe2+0.07Li0.04Mn2+0.01Si3.16Al0.78Ti0.06O10.03F1.9(OH)0.07
Help on Environment: Environment: Occurs within interstitial, friable altered material in lava fissures and breccias. Mica group (1M polytype): C2/m; structure determined.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Southwest flank of the Etnean Volcanic Complex, Biancavilla, Catania, Mt. Etna, Sicily, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the fluorine analog of phlogopite.
Help on Synonym: Synonym: IMA2006-011
 

Fluorophlogopite Image

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  Fluorophlogopite

Comments: Books of fluorphlogopite from a magnesian skarn showing the basal cleaveage of the micas..
Location: Arebilovskoe phlogopite deposit, Aldan, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia. Scale: Specimen size is 3.5x2.5x0.8 cm.
© Pavel M. Kartashov

Fluorophlogopite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5773:1:1.1038
Help on Cell Dimensions: Cell Dimensions: a = 5.305, b = 9.189, c = 10.1437, Z = 2; beta = 100.062° V = 486.88 Den(Calc)= 2.84
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.99(1), 3.37(0.8), 3.12(0.8),1.32(0.8), 2.61(0.73), 1.607(0.7), 1.574(0.6), 1.304(0.6), 4.41(0.6),
 

Physical Properties of Fluorophlogopite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Pale yellow.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Fluorophlogopite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1972,KC= 0.2006
Ncalc = 1.57
Help on Optical Data: Optical Data: Biaxial (-), a=1.543, b=1.5682, g=1.5688, bire=0.0258
 

Calculated Properties of Fluorophlogopite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.80 gm/cc
note: Specific Gravity of Fluorophlogopite =2.84 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEFluorophlogopite = 2.50 barns/electron
U=PEFluorophlogopite x relectron= 7.02 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 97.80 (Gamma Ray American Petroleum Institute Units)
Concentration of Fluorophlogopite per GRapi unit = 1.02 (%)

Estimated Radioactivity from Fluorophlogopite - barely detectable

 

Fluorophlogopite Classification

Help on  Dana Class: Dana Class: 71.02.02b.01c (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.02)with 2:1 Layers
  (71.02.02b)Mica Group (Biotite subgroup)
 
71.02.02b.01 Phlogopite KMg3(Si3Al)O10(F,OH)2 C 2/m 2/m
 
71.02.02b.01a Tetraferriphlogopite! KMg3FeSi3O10(OH)2 2/m
 
71.02.02b.01b Shirozulite! KMn3(AlSi3)O10(OH,F)2 C 2/m 2/m
 
71.02.02b.01c Fluorophlogopite! KMg3(AlSi3)O10F2 C 2/m 2/m
 
71.02.02b.02 Biotite* K(Mg,Fe)3[AlSi3O10(OH,F)2 C 2/m 2/m
 
71.02.02b.03 Annite KFe3AlSi3O10(OH,F)2 C 2/m 2/m
 
71.02.02b.03a Fluorannite! KFe3AlSi3O10F2 C 2/m 2/m
 
71.02.02b.04 Tetraferriannite K(Fe,Mg)3(Fe,Al)Si3O10(OH)2 C 2/m 2/m
 
71.02.02b.05 Siderophyllite KFe2Al(Al2Si2)O10(F,OH)2 C 2/m 2/m
 
71.02.02b.05a Eastonite! KMg2Al[Al2Si2O10](OH)2 2/m
 
71.02.02b.06 Hendricksite K(Zn,Mg,Mn)3Si3AlO10(OH)2 C 2/m 2/m
 
71.02.02b.07 Lepidolite K(Li,Al)3(Si,Al)4O10(F,OH)2 C 2/m,Cm Mono
 
71.02.02b.08 Polylithionite KLi2AlSi4O10(F,OH)2 C 2/m 2/m
 
71.02.02b.08a Trilithionite! KLi1.5Al1.5AlSi3O10F2 C 2/m 2/m
 
71.02.02b.08b Sokolovaite! CsLi2AlSi4O10F2 C 2/m, C 2 or Cm Mono
 
71.02.02b.09 Tainiolite KLiMg2Si4O10F2 C 2/m 2/m
 
71.02.02b.10 Zinnwaldite KLiFeAl(AlSi3)O10(F,OH)2 C 2/m 2/m
 
71.02.02b.11 Norrishite K(Mn2Li)Si4O10(O)2 C 2/m 2/m
 
71.02.02b.12 Masutomilite K(Li,Al,Mn)3[(Si,Al)4O10](F,OH)2 C 2/m 2/m
 
71.02.02b.13 Aspidolite NaMg3AlSi3O10(OH)2 C 2/m 2/m
 
71.02.02b.14 Wonesite (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 C 2/m 2/m
 
71.02.02b.15 Preiswerkite NaMg2Al3Si2O10(OH)2 C 2/m 2/m
 
71.02.02b.16 Ephesite NaLiAl2(Al2Si2)O10(OH)2 C 2/c 2/m
 
71.02.02b.18 Suhailite! (NH4)Fe3(Si3Al)O10(OH)2 C 2/m? 2/m
Help on  Strunz Class: Strunz Class: 09.EC.20 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
 
09.EC.20 Annite KFe3AlSi3O10(OH,F)2 C 2/m 2/m
 
09.EC.20 Biotite* K(Mg,Fe)3[AlSi3O10(OH,F)2 C 2/m 2/m
 
09.EC.20 Hendricksite K(Zn,Mg,Mn)3Si3AlO10(OH)2 C 2/m 2/m
 
09.EC.20 Ephesite NaLiAl2(Al2Si2)O10(OH)2 C 2/c 2/m
 
09.EC.20 Aspidolite NaMg3AlSi3O10(OH)2 C 2/m 2/m
 
09.EC.20 Lepidolite K(Li,Al)3(Si,Al)4O10(F,OH)2 C 2/m,Cm Mono
 
09.EC.20 Preiswerkite NaMg2Al3Si2O10(OH)2 C 2/m 2/m
 
09.EC.20 Masutomilite K(Li,Al,Mn)3[(Si,Al)4O10](F,OH)2 C 2/m 2/m
 
09.EC.20 Wonesite (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 C 2/m 2/m
 
09.EC.20 Polylithionite KLi2AlSi4O10(F,OH)2 C 2/m 2/m
 
09.EC.20 Phlogopite KMg3(Si3Al)O10(F,OH)2 C 2/m 2/m
 
09.EC.20 Norrishite K(Mn2Li)Si4O10(O)2 C 2/m 2/m
 
09.EC.20 Siderophyllite KFe2Al(Al2Si2)O10(F,OH)2 C 2/m 2/m
 
09.EC.20 Fluorannite! KFe3AlSi3O10F2 C 2/m 2/m
 
09.EC.20 Shirokshinite! K(NaMg2)Si4O10F2 C 2/m 2/m
 
09.EC.20 Zinnwaldite KLiFeAl(AlSi3)O10(F,OH)2 C 2/m 2/m
 
09.EC.20 Eastonite! KMg2Al[Al2Si2O10](OH)2 2/m
 
09.EC.20 Tetraferriannite K(Fe,Mg)3(Fe,Al)Si3O10(OH)2 C 2/m 2/m
 
09.EC.20 Tetraferriphlogopite! KMg3FeSi3O10(OH)2 2/m
 
09.EC.20 Trilithionite! KLi1.5Al1.5AlSi3O10F2 C 2/m 2/m
 
09.EC.20 Sokolovaite! CsLi2AlSi4O10F2 C 2/m, C 2 or Cm Mono
 
09.EC.20 Shirozulite! KMn3(AlSi3)O10(OH,F)2 C 2/m 2/m
 
09.EC.20 Suhailite! (NH4)Fe3(Si3Al)O10(OH)2 C 2/m? 2/m
 
09.EC.20 Fluorophlogopite! KMg3(AlSi3)O10F2 C 2/m 2/m
 

Other Fluorophlogopite Information

Help on References: References: NAME( AmMin, v92:1601) PHYS. PROP.(AmMin, v92:1601) OPTIC PROP.(AmMin, v92:1601)
Help on See Also: See Also: Links to other databases for Fluorophlogopite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
11 - WWW-MINCRYST

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

Fluorophlogopite

KMg3(AlSi3)O10F2
Dana No: 71.02.02b.01c Strunz No: 09.EC.20
Locality:

 

Notes:

 

 
   
 


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