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Mackelveyite-(Y) Mineral Data

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General Mackelveyite-(Y) Information

Help on Chemical  Formula: Chemical Formula: NaBa3CaY(CO3)3(OH)6•3H2O
Help on Composition: Composition: Molecular Weight = 900.07 gm
   Barium    45.77 %  Ba   51.10 % BaO
   Sodium     2.55 %  Na    3.44 % Na2O
   Calcium    4.45 %  Ca    6.23 % CaO
   Yttrium    9.88 %  Y    12.54 % Y2O3
   Hydrogen   1.34 %  H    12.01 % H2O
   Carbon     4.00 %  C    14.67 % CO2
   Oxygen    32.00 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaBa3CaY(CO3)3(OH)6•3(H2O)
Help on Environment: Environment: Donnayite group. Withdrawn because it is a monoclinic polytype of mackelveyite-(Y).
Help on IMA Status: IMA Status: Withdrawn IMA 2007, Proposed IMA 2005
Help on Locality: Locality: Fabi quarry, near Lanzada, Valmalenco, Sondrio, Lombardy, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2005-012a
  Mckelveyite-(Y)
 

Mackelveyite-(Y) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9994:1:1.5064
Help on Cell Dimensions: Cell Dimensions: a = 9.1526, b = 9.1574, c = 13.7953, Z = 2; alpha = 109.43°, beta = 109.33°, gamma = 60° V = 891.07 Den(Calc)= 3.35
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.114(1), 4.312(0.48), 6.394(0.36),2.614(0.35), 2.032(0.29), 3.187(0.28), 2.013(0.27), 2.641(0.27),
 

Optical Properties of Mackelveyite-(Y)

Help on Optical Data: Optical Data: NCalc= 1.58 - from Gladstone-Dale relationship (KC = 0.1781) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Mackelveyite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.96 gm/cc
note: Specific Gravity of Mackelveyite-(Y) =3.23 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PEMackelveyite-(Y) = 213.80 barns/electron
U=PEMackelveyite-(Y) x rElectron Density= 632.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mackelveyite-(Y) is Not Radioactive
 

Mackelveyite-(Y) Classification

Help on  Dana Class: Dana Class: 13.00.00.00 (13)Carbonate Minerals
  (13.00)Without Dana Classification Numbers
  (13.00.00)Carbonate, Basic Hydrated
 
13.00.00.00 Aldzhanite* CaMgB2O4Cl•7(H2O)(?) Unk Ortho
 
13.00.00.00 Alfredstelznerite Ca4(H2O)4[B4O4(OH)6]4{H2O}15 P ca21 mm2
 
13.00.00.00 Balavinskite? Sr2B6O11•4(H2O) Mono ? Mono
 
13.00.00.00 IMA2008-069 Na3Y(CO3)3•6H2O P 63 6
 
13.00.00.00 Mackelveyite-(Y) NaBa3CaY(CO3)3(OH)6•3H2O P1 1
Help on  Strunz Class: Strunz Class: 05.XX.00 05 - CARBONATES (NITRATES)
  05.X - Unclassified Strunz CARBONATES (NITRATES)
  05.XX -Carbonate, Basic Hydrated
 
05.XX.00 Mackelveyite-(Y) NaBa3CaY(CO3)3(OH)6•3H2O P1 1
 
05.XX.00 IMA2009-013 NaCe2(CO3)2[(CO3)1-xF2x]F P 6 m2 6 m2
 

Other Mackelveyite-(Y) Information

Help on See Also: See Also: Links to other databases for Mackelveyite-(Y) :
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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Mackelveyite-(Y)

NaBa3CaY(CO3)3(OH)6•3H2O
Dana No: 13.00.00.00 Strunz No: 05.XX.00
Locality:

 

Notes: