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Faizievite Mineral Data |
General Faizievite Information |
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K2Na(Ca6Na)Ti4Li6Si24O66F2 | ||
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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 | |||
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K1.97Ba0.04Rb0.03Li6Na0.86Ca6.16Na0.67Sr0.17Ti4Nb0.02Si24.01O66F1.63O0.37 | ||
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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]. | ||
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Approved IMA 2006 (Dana # Added) | ||
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Dar-i-Pioz glacier, Alai mountain range, northern Tajikistan. Link to MinDat.org Location Data. | ||
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Named for Faiziev Abdulkhak Radzhabovitrh (b 1938), professor of the Academy of Sciences of the Republic of Tadjikistan, Dushanbe, Tadjikistan. | ||
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IMA2006-037 | ||
Faizievite Image | |||
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Faizievite Crystallography |
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a:b:c =0.999:1:1.7617 | ||
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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 | ||
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Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1 | ||
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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 |
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Transparent | ||
Optical Properties of Faizievite |
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NCalc= 1.66 - from Gladstone-Dale relationship (KC = 0.2344) where Ncalc=Dcalc*KC+1 |
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Calculated Properties of Faizievite |
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Bulk Density (Electron Density)=2.78 gm/cc note: Specific Gravity of Faizievite =2.82 gm/cc. |
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Fermion Index = 0.02 Boson Index = 0.98 |
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PEFaizievite = 5.86 barns/electron U=PEFaizievite x relectron= 16.31 barns/cc. |
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GRapi = 90.98 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Faizievite |
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Faizievite Classification |
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61.01.04.03 (61)Cyclosilicate Six-Membered Rings | ||
(61.01)with [Si6O18] rings; possible (OH) and Al substitution | |||
(61.01.04)Baratovite group | |||
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09.CM.10 09 - SILICATES (Germanates) | ||
09.C - Cyclosilicates | |||
09.CM -[Si6O18]12- 6-membered double rings (sechser-Doppelringe) | |||
Other Faizievite Information |
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NAME( AmMin, v93:1942) PHYS. PROP.(AmMin, v93:1942) OPTIC PROP.(AmMin, v93:1942) | ||
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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 Search for Faizievite using: Visit our Advertisers for Faizievite : Ask about Faizievite here : Print or Cut-and-Paste your Faizievite Specimen Label here :
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