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Paralabuntsovite-Mg Mineral Data

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General Paralabuntsovite-Mg Information

Help on Chemical  Formula: Chemical Formula: Na8K8Mg8Ti16(Si4O12)8(O,OH)16• n(H2O)
Help on Composition: Composition: Molecular Weight = 4,336.11 gm
   Potassium   7.21 %  K     8.69 % K2O
   Sodium      4.24 %  Na    5.72 % Na2O
   Magnesium   4.48 %  Mg    7.44 % MgO
   Titanium   17.67 %  Ti   29.47 % TiO2
   Silicon    20.73 %  Si   44.34 % SiO2
   Hydrogen    0.65 %  H     5.82 % H2O
   Oxygen     45.02 %  O
             ______        ______ 
             100.00 %      101.48 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na8K8Mg8Ti16(Si4O12)8O8(OH)8•10(H2O)
Help on IMA Status: IMA Status: Proposed IMA 2000 (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the structural and Mg analog of the labuntsovite group.
Help on Synonym: Synonym: IMA2000-A

Paralabuntsovite-Mg Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.1304:1:0.5652
Help on Cell Dimensions: Cell Dimensions: a = 15.6, b = 13.8, c = 7.8, Z = 1; beta = 117° V = 1,496.16 Den(Calc)= 4.81
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: I2/m

Physical Properties of Paralabuntsovite-Mg

Help on Diaphaneity: Diaphaneity: Translucent to transparent
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Paralabuntsovite-Mg

Help on Optical Data: Optical Data: Biaxial (+)
  NCalc= 2.3 - from Gladstone-Dale relationship (KC = 0.2706) where Ncalc=Dcalc*KC+1

Calculated Properties of Paralabuntsovite-Mg

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.75 gm/cc
note: Specific Gravity of Paralabuntsovite-Mg =4.81 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEParalabuntsovite-Mg = 4.56 barns/electron
U=PEParalabuntsovite-Mg x relectron= 21.64 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 102.75 (Gamma Ray American Petroleum Institute Units)
Concentration of Paralabuntsovite-Mg per GRapi unit = 0.97 (%)

Estimated Radioactivity from Paralabuntsovite-Mg - barely detectable


Paralabuntsovite-Mg Classification

Help on  Dana Class: Dana Class: 60.01.03g.01 (60)Cyclosilicate Four-Membered Rings
  (60.01)as Titanosilicates
  (60.01.03g)Labuntsovite Group (Paralabuntsovite subgroup Monoclinic [I2/m])
60.01.03g.01 Paralabuntsovite-Mg! Na8K8Mg8Ti16(Si4O12)8(O,OH)16•n(H2O) I2/m 2/m
Help on  Strunz Class: Strunz Class: 09.CE.30f 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),
09.CE.30f Paralabuntsovite-Mg! Na8K8Mg8Ti16(Si4O12)8(O,OH)16•n(H2O) I2/m 2/m

Other Paralabuntsovite-Mg Information

Help on See Also: See Also: Links to other databases for Paralabuntsovite-Mg :
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 Paralabuntsovite-Mg Specimen Label here :


Na8K8Mg8Ti16(Si4O12)8(O,OH)16• n(H2O)
Dana No: 60.01.03g.01 Strunz No: 09.CE.30f