Zakharovite Mineral Data

Zakharovite Mineral Data
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General Zakharovite Information

Help on Chemical Formula: Chemical Formula: Na4Mn++5Si10O24(OH)6•6(H2O)
Help on Composition: Composition: Molecular Weight = 1,241.63 gm
   Sodium      7.41 %  Na    9.98 % Na2O
   Manganese  22.12 %  Mn   28.57 % MnO
   Silicon    22.62 %  Si   48.39 % SiO2
   Hydrogen    1.46 %  H    13.06 % H2O
   Oxygen     46.39 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na4Mn2+5Si10O24(OH)6•6(H2O)
Help on Environment: Environment: In ussingite veinlets cutting foyaite in differentiated alkalic massifs.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: At Mt. Karnasurt, Lovozero massif, and on Mts. Yukspor and Koashva, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Evgeii Evgen'evich Zakharov (1902-1980), Director of the Moscow Geological Exploration Institute, Moscow, Russia.
Help on Name Pronunciation: Name Pronunciation: Zakharovite + Pronunciation Say ZAKHAROVITE
 

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Zakharovite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.58641
Help on Cell Dimensions: Cell Dimensions: a = 14.58, c = 37.71, Z = 9; V = 6,942.28 Den(Calc)= 2.67
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 31m,P 3m1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.57(1), 3.16(0.4), 3.427(0.15),
 

Physical Properties of Zakharovite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Yellow, Bright yellow.
Help on Density: Density: 2.58 - 2.64, Average = 2.61
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Zakharovite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.043 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.065 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.206,KPDmeas= 0.2107,KC= 0.2203
Ncalc = 1.57 - 1.59
Help on Optical Data: Optical Data: Uniaxial (-), e=1.535, w=1.565, bire=0.0300.
 

Calculated Properties of Zakharovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.59 gm/cc
note: Specific Gravity of Zakharovite =2.61 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZakharovite = 6.55 barns/electron
U=PEZakharovite x rElectron Density= 16.93 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zakharovite is Not Radioactive
 

Zakharovite Classification
Help on Dana Class: Dana Class: 78.03.03.01 (78)Unclassified silicates
  (78.03)possible cyclosilicates
  (78.03.03)Dana Group
 
78.03.03.01 Zakharovite Na4Mn5Si10O24(OH)6•6(H2O) P 31m,P 3m1 3m
Help on Strunz Class: Strunz Class: 09.EE.65 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EE -Single tetrahedral nets of 6-membered rings
 
09.EE.65 Shafranovskite K2Na3(Mn,Fe,Na)4[Si9(O,OH)27](OH)2•n(H2O),n~2.33 P 31c 3m
 
09.EE.65 Zakharovite Na4Mn5Si10O24(OH)6•6(H2O) P 31m,P 3m1 3m
 

Other Zakharovite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Zakharovite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineralienatlas (Deutsch)
15 - QUT Mineral Atlas
16 - Ruff.Info

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Zakharovite

Na4Mn++5Si10O24(OH)6•6(H2O)
Dana No: 78.03.03.01 Strunz No: 09.EE.65
Locality:

 

Notes: