Mineralogy Database

Fluorvesuvianite Mineral Data

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General Fluorvesuvianite Information

Help on Chemical  Formula: Chemical Formula: Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10
Help on Composition: Composition: Molecular Weight = 2,912.65 gm
   Calcium    26.19 %  Ca   36.64 % CaO
   Magnesium   1.16 %  Mg    1.92 % MgO
   Manganese   0.08 %  Mn    0.10 % MnO
   Aluminum    9.59 %  Al   18.12 % Al2O3
   Iron        2.21 %  Fe    2.84 % FeO
   Silicon    17.37 %  Si   37.15 % SiO2
   Hydrogen    0.06 %  H     0.51 % H2O
   Oxygen     38.69 %  O
   Fluorine    4.67 %  F     4.67 % F
                -   %   F    -1.97 % -O=F2    
             ______        ______ 
             100.00 %       99.98 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca19.03Al10.35Mg1.39Fe2+1.15Mn2+0.04Si18.01O68F7.16(OH)1.64O0.8
Help on Environment: Environment: Found in cavities of chloritized diopside skarn.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Lupikko iron mine, Pitkaranta, Karelia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the fluorine-dominant analog of vesuvainite.
Help on Synonym: Synonym: IMA2000-037

Fluorvesuvianite Image

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Comments: Acicular crystals of fluorvesuvianite in a clear, calcite matrix. (CanMin, v 41, p 1375).
Location: Lupikko iron mine, Pitkaranta, Karelia, Russia. Scale: Picture size 1.2 cm.
© Canadian Mineralogist

Fluorvesuvianite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.75944
Help on Cell Dimensions: Cell Dimensions: a = 15.51, c = 11.779, Z = 2; V = 2,833.56 Den(Calc)= 3.41
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/nnc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.453(1)(620), 2.589(0.5)(224,522), 2.743(0.9)(432,440),2.945(0.35)(004), 3.04(0.3)(510), 3.465(0.3)(420), 4.74(0.2)(202),

Physical Properties of Fluorvesuvianite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Silky white.
Help on Density: Density: 3.46
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Fluorvesuvianite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2054,KPDmeas= 0.2025,KC= 0.205
Ncalc = 1.7 - 1.71
Help on Optical Data: Optical Data: Uniaxial (-), e=1.699, w=1.702, bire=0.0030.

Calculated Properties of Fluorvesuvianite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.38 gm/cc
note: Specific Gravity of Fluorvesuvianite =3.41 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFluorvesuvianite = 4.89 barns/electron
U=PEFluorvesuvianite x rElectron Density= 16.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Fluorvesuvianite is Not Radioactive

Fluorvesuvianite Classification

Help on  Dana Class: Dana Class: (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
  (58.02)with cations in [6] and higher coordination; single and double groups (n=1,2)
  (58.02.04)Vesuvianite Group Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m Manganvesuvianite! Ca19Mn(Al,Mn,Fe)10(Mg,Mn)2Si18O69(OH)9 P 4/n 4/m
Help on  Strunz Class: Strunz Class: 09.BG.35 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BG -Sorosilicates with mixed SiO4 and Si2O7 groups;
09.BG.35 Vesuvianite Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 P 4/n 4/m
09.BG.35 Fluorvesuvianite! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 P 4/nnc 4/m 2/m 2/m
09.BG.35 Wiluite! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 P 4/nnc 4/m 2/m 2/m
09.BG.35 Manganvesuvianite! Ca19Mn(Al,Mn,Fe)10(Mg,Mn)2Si18O69(OH)9 P 4/n 4/m

Other Fluorvesuvianite Information

Help on References: References: NAME( CanMin, v 41, p 1371) PHYS. PROP.(CanMin, v 41, p 1371) OPTIC PROP.(CanMin, v 41, p 1371)
Help on See Also: See Also: Links to other databases for Fluorvesuvianite :
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

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Dana No: Strunz No: 09.BG.35





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