General Glagolevite Information![]() NaMg6[Si3AlO10](OH,O)8•H2O |
![]() Molecular Weight = 592.47 gm |
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Sodium 2.95 % Na 3.98 % Na2O |
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Magnesium 22.77 % Mg 37.76 % MgO |
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Aluminum 7.15 % Al 13.51 % Al2O3 |
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Iron 0.28 % Fe 0.36 % FeO |
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Silicon 13.84 % Si 29.61 % SiO2 |
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Hydrogen 1.65 % H 14.70 % H2O |
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Oxygen 51.36 % O |
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100.00 % 99.92 % = TOTAL OXIDE |
![]() Na0.76Mg5.55Al0.49Fe2+0.03Si2.92Al1.08O10.35(OH)7.67·(H2O) |
![]() From a phlogopite deposit |
![]() Approved IMA 2001 (Dana # Added) |
![]() Kovdor massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
![]() Named for A. A. Glagolev (1927-1993), Russian mineralogist. |
![]() IMA2001-064 |
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Glagolevite Crystallography![]() a:b:c =0.5779:1:1.5818 |
![]() 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 |
![]() Triclinic - PedialH-M Symbol (1) Space Group: C1 |
![]() By Intensity(I/Io): 1.544(1)(331,331,060), 2.556(1)(201,132,132), 2.992(0.6)(11 |
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| Physical Properties of Glagolevite![]() {001} Perfect |
![]() Colorless. |
![]() 2.66 |
![]() Transparent |
![]() Flexible - Flexible fragments. |
![]() Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
![]() 3-4 - Calcite-Fluorite |
![]() Vitreous - Pearly |
![]() white |
| Optical Properties of Glagolevite![]() 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 ![]() 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![]() Bulk Density (Electron Density)=2.68 gm/cc |
note: Specific Gravity of Glagolevite =2.66 gm/cc. ![]() Fermion Index = 0.02 |
Boson Index = 0.98 ![]() PEGlagolevite = 1.41 barns/electron |
U=PEGlagolevite x rElectron Density= 3.77 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Glagolevite is Not Radioactive | Glagolevite Classification![]() 71.04.02.09 (71)Phyllosilicate Sheets of Six-Membered Rings |
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(71.04)interlayered 1:1, 2:1, and octahedra |
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(71.04.02)Interstratified Chlorite-Smectite group |
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![]() 09.EC.55 09 - SILICATES (Germanates) |
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09.E - Phyllosilicates |
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09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets |
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| Other Glagolevite Information![]() NAME( AmMin, 89:250) PHYS. PROP.(AmMin, 89:250) OPTIC PROP.(AmMin, 89:250) |
![]() 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 Search for Glagolevite using: Visit our Advertisers for Glagolevite : A Bijoux Google Search for GlagoleviteAdam's Minerals Google Search for Glagolevite Cape Minerals Google Search for Glagolevite Dakota Matrix Minerals Google Search for Glagolevite Excalibur Mineral Corp. Google Search for Glagolevite Exceptional Minerals Google Search for Glagolevite John Betts Fine Minerals Search for Glagolevite McDougall Minerals Google Search for Glagolevite Mineral News Website Link Rock and Mineral Shows Google Search for Glagolevite Weinrich Minerals, Inc. Google Search for Glagolevite Ask about Glagolevite here : Print or Cut-and-Paste your Glagolevite Specimen Label here :
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