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Faizievite Mineral Data

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General Faizievite Information

Help on Chemical  Formula: Chemical Formula: K2Na(Ca6Na)Ti4Li6Si24O66F2
Help on Composition: Composition: Molecular Weight = 2,384.24 gm
   Potassium   3.23 %  K     3.89 % K2O
   Rubidium    0.11 %  Rb    0.12 % Rb2O
   Barium      0.23 %  Ba    0.26 % BaO
   Sodium      1.48 %  Na    1.99 % Na2O
   Strontium   0.62 %  Sr    0.74 % SrO
   Lithium     1.75 %  Li    3.76 % Li2O
   Calcium    10.35 %  Ca   14.49 % CaO
   Titanium    8.03 %  Ti   13.40 % TiO2
   Niobium     0.08 %  Nb    0.11 % Nb2O5
   Silicon    28.28 %  Si   60.51 % SiO2
   Oxygen     44.54 %  O
   Fluorine    1.30 %  F     1.30 % F
                -   %   F    -0.55 % -O=F2    
             ______        ______ 
             100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.97Ba0.04Rb0.03Li6Na0.86Ca6.16Na0.67Sr0.17Ti4Nb0.02Si24.01O66F1.63O0.37
Help on Environment: Environment: Found in a quartz-pectolite boulder in moraine. Related to beryl-group and milarite-group minerals. Faizievite structure can be considered as alternating baratovite and berezanskite blocks alternating along [001].
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Dar-i-Pioz glacier, Alai mountain range, northern Tajikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Faiziev Abdulkhak Radzhabovitrh (b 1938), professor of the Academy of Sciences of the Republic of Tadjikistan, Dushanbe, Tadjikistan.
Help on Synonym: Synonym: IMA2006-037
 

Faizievite Image

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  Faizievite

Comments: Pale brownish yellow massive faizievite associated with quartz.
Location: Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Districts of the Republican Subordination, Tajikistan. Scale: See Image.
© Rruff Database

Faizievite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.999:1:1.7617
Help on Cell Dimensions: Cell Dimensions: a = 9.8156, b = 9.8249, c = 17.3087, Z = 1; alpha = 99.209°, beta = 94.67°, gamma = 119.839° V = 1,424.51 Den(Calc)= 2.78
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.35(1), 3.06(0.9), 4.25(0.6),2.885(0.55), 1.848(0.4), 3.14(0.2), 1.868(0.17), 2.87(0.1),
 

Physical Properties of Faizievite

Help on Diaphaneity: Diaphaneity: Transparent
 

Optical Properties of Faizievite

Help on Optical Data: Optical Data: NCalc= 1.66 - from Gladstone-Dale relationship (KC = 0.2344) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Faizievite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.78 gm/cc
note: Specific Gravity of Faizievite =2.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEFaizievite = 5.86 barns/electron
U=PEFaizievite x relectron= 16.31 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 90.98 (Gamma Ray American Petroleum Institute Units)
Concentration of Faizievite per GRapi unit = 1.10 (%)

Estimated Radioactivity from Faizievite - barely detectable

 

Faizievite Classification

Help on  Dana Class: Dana Class: 61.01.04.03 (61)Cyclosilicate Six-Membered Rings
  (61.01)with [Si6O18] rings; possible (OH) and Al substitution
  (61.01.04)Baratovite group
 
61.01.04.01 Baratovite KCa7(Ti,Zr)2Li3Si12O36F2 C 2/c 2/m
 
61.01.04.02 Katayamalite (K,Na)Ca7Li3Ti2[Si6O18]2(OH,F)2 C1 1
 
61.01.04.03 Faizievite! K2Na(Ca6Na)Ti4Li6Si24O66F2 P1 1
 
61.01.04.04 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.CM.10 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CM -[Si6O18]12- 6-membered double rings (sechser-Doppelringe)
 
09.CM.10 Faizievite! K2Na(Ca6Na)Ti4Li6Si24O66F2 P1 1
 

Other Faizievite Information

Help on References: References: NAME( AmMin, v93:1942) PHYS. PROP.(AmMin, v93:1942) OPTIC PROP.(AmMin, v93:1942)
Help on See Also: See Also: Links to other databases for Faizievite :
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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Print or Cut-and-Paste your Faizievite Specimen Label here :

Faizievite

K2Na(Ca6Na)Ti4Li6Si24O66F2
Dana No: 61.01.04.03 Strunz No: 09.CM.10
Locality:

 

Notes:

 

 
   
 


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