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Glagolevite Mineral Data

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General Glagolevite Information

Help on Chemical  Formula: Chemical Formula: NaMg6[Si3AlO10](OH,O)8•H2O
Help on Composition: Composition: Molecular Weight = 592.47 gm
   Sodium      2.95 %  Na    3.98 % Na2O
   Magnesium  22.77 %  Mg   37.76 % MgO
   Aluminum    7.15 %  Al   13.51 % Al2O3
   Iron        0.28 %  Fe    0.36 % FeO
   Silicon    13.84 %  Si   29.61 % SiO2
   Hydrogen    1.65 %  H    14.70 % H2O
   Oxygen     51.36 %  O
             ______        ______ 
             100.00 %       99.92 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.76Mg5.55Al0.49Fe2+0.03Si2.92Al1.08O10.35(OH)7.67�(H2O)
Help on Environment: Environment: From a phlogopite deposit
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Kovdor massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for A. A. Glagolev (1927-1993), Russian mineralogist.
Help on Synonym: Synonym: IMA2001-064
 

Glagolevite Image

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  Glagolevite   Andradite

Comments: Pearly white plates of glagolevite with olive-colored andradite dodecohedrons.
Location: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Glagolevite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5779:1:1.5818
Help on Cell Dimensions: Cell Dimensions: a = 5.354, b = 9.263, c = 14.653, Z = 2; alpha = 89.86°, beta = 96.844°, gamma = 90.03° V = 721.52 Den(Calc)= 2.73
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: C1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.544(1)(331,331,060), 2.556(1)(201,132,132), 2.992(0.6)(112.597(0.6)(131,202,131)2.457(0.5)(132,132,203)4.629(0.
 

Physical Properties of Glagolevite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 2.66
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Glagolevite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.041 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.065 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2087,KPDmeas= 0.2142,KC= 0.2233
Ncalc = 1.59 - 1.61
Help on Optical Data: Optical Data: Biaxial (+), a=1.569, b=1.569, g=1.571, bire=0.0020, 2V(Calc)=0, 2V(Meas)=17. Dispersion dispersion not observed.
 

Calculated Properties of Glagolevite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Glagolevite =2.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEGlagolevite = 1.41 barns/electron
U=PEGlagolevite x rElectron Density= 3.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Glagolevite is Not Radioactive
 

Glagolevite Classification

Help on  Dana Class: Dana Class: 71.04.02.09 (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.04)interlayered 1:1, 2:1, and octahedra
  (71.04.02)Interstratified Chlorite-Smectite group
 
71.04.02.01 Dozyite (Mg7Al2)(Si4Al2)O15(OH)12 Cm m
 
71.04.02.02 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
 
71.04.02.03 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
 
71.04.02.04 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12•5(H2O) Unk Ortho
 
71.04.02.05 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10•n(H2O) Unk Ortho
 
71.04.02.06 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
 
71.04.02.07 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4•2(H2O) Unk Mono
 
71.04.02.08 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2•n(H2O) Unk Mono
 
71.04.02.09 Glagolevite! NaMg6[Si3AlO10](OH,O)8•H2O C1 1
Help on  Strunz Class: Strunz Class: 09.EC.55 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
 
09.EC.55 Donbassite Al2[Al2.33][Si3AlO10](OH)8 C 2/m 2/m
 
09.EC.55 Baileychlore (Zn,Al,[])3[Fe2Al][Si3AlO10](OH)8 C1,C1 Tri
 
09.EC.55 Clinochlore (Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m
 
09.EC.55 Cookeite LiAl4(Si3Al)O10(OH)8 P 21/a 2/m
 
09.EC.55 Chamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C 2/m 2/m
 
09.EC.55 Franklinfurnaceite Ca2(Fe,Al)MnMn3Zn2Si2O10(OH)8 C 2 2
 
09.EC.55 Nimite (Ni,Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m
 
09.EC.55 Gonyerite Mn3[Mn3Fe][(Si,Fe)4O10](OH,O)8 pseudo-HEX Ortho
 
09.EC.55 Odinite (Fe,Mg,Al,Fe,Ti,Mn)2.5(Si,Al)2O5(OH)4 Cm m
 
09.EC.55 Orthochamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C3m-pseudoHEX Ortho
 
09.EC.55 Pennantite Mn5Al(Si3Al)O10(OH)8 C 2/m 2/m
 
09.EC.55 Sudoite Mg2(Al,Fe)3Si3AlO10(OH)8 C 2/m 2/m
 
09.EC.55 Glagolevite! NaMg6[Si3AlO10](OH,O)8•H2O C1 1
 
09.EC.55 Borocookeite! Li(13x)Al(4-x)(BSi3)O10(OH,F)8[x=0-0.33] pseudo C 2/m 2/m
 

Other Glagolevite Information

Help on References: References: NAME( AmMin, 89:250) PHYS. PROP.(AmMin, 89:250) OPTIC PROP.(AmMin, 89:250)
Help on See Also: See Also: Links to other databases for Glagolevite :
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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Glagolevite

NaMg6[Si3AlO10](OH,O)8•H2O
Dana No: 71.04.02.09 Strunz No: 09.EC.55
Locality:

 

Notes:

 

 
   
 


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