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Mackelveyite-(Y) Mineral Data
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General Mackelveyite-(Y) Information
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 Chemical Formula: |
NaBa3CaY(CO3)3(OH)6•3H2O |
| Composition: |
Molecular Weight = 900.07 gm |
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Barium 45.77 % Ba 51.10 % BaO |
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Sodium 2.55 % Na 3.44 % Na2O |
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Calcium 4.45 % Ca 6.23 % CaO |
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Yttrium 9.88 % Y 12.54 % Y2O3 |
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Hydrogen 1.34 % H 12.01 % H2O |
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Carbon 4.00 % C 14.67 % CO2 |
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Oxygen 32.00 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaBa3CaY(CO3)3(OH)6•3(H2O) |
| Environment: |
Donnayite group. Withdrawn because it is a monoclinic polytype of mackelveyite-(Y). |
| IMA Status: |
Withdrawn IMA 2007, Proposed IMA 2005 |
| Locality: |
Fabi quarry, near Lanzada, Valmalenco, Sondrio, Lombardy, Italy Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
| Synonym: |
IMA2005-012a |
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Mckelveyite-(Y) |
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Mackelveyite-(Y) Crystallography
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| Axial Ratios: |
a:b:c =0.9994:1:1.5064 |
| 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 |
| Crystal System: |
Triclinic - Pedial H-M Symbol (1) Space Group: P1 |
| 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), |
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Optical Properties of Mackelveyite-(Y)
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| Optical Data: |
NCalc= 1.58 - from Gladstone-Dale relationship (KC = 0.1781) where Ncalc=Dcalc*KC+1
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Calculated Properties of Mackelveyite-(Y)
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| Electron Density: |
Bulk Density (Electron Density)=2.96 gm/cc
note: Specific Gravity of Mackelveyite-(Y) =3.23 gm/cc.
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| Fermion Index: |
Fermion Index = 0.08
Boson Index = 0.92 |
| Photoelectric: |
PEMackelveyite-(Y) = 213.80 barns/electron
U=PEMackelveyite-(Y) x rElectron Density= 632.21 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mackelveyite-(Y) is Not Radioactive |
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Mackelveyite-(Y) Classification
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| Dana Class: |
13.00.00.00 (13)Carbonate Minerals |
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(13.00)Without Dana Classification Numbers |
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(13.00.00)Carbonate, Basic Hydrated |
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13.00.00.00 Aldzhanite* CaMgB2O4Cl•7(H2O)(?) Unk Ortho |
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13.00.00.00 Alfredstelznerite Ca4(H2O)4[B4O4(OH)6]4{H2O}15 P ca21 mm2 |
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13.00.00.00 Balavinskite? Sr2B6O11•4(H2O) Mono ? Mono |
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13.00.00.00 IMA2008-069 Na3Y(CO3)3•6H2O P 63 6 |
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13.00.00.00 Mackelveyite-(Y) NaBa3CaY(CO3)3(OH)6•3H2O P1 1 |
| Strunz Class: |
05.XX.00 05 - CARBONATES (NITRATES) |
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05.X - Unclassified Strunz CARBONATES (NITRATES) |
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05.XX -Carbonate, Basic Hydrated |
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05.XX.00 Mackelveyite-(Y) NaBa3CaY(CO3)3(OH)6•3H2O P1 1 |
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05.XX.00 IMA2009-013 NaCe2(CO3)2[(CO3)1-xF2x]F P 6 m2 6 m2 |
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Other Mackelveyite-(Y) Information
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| 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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Print or Cut-and-Paste your Mackelveyite-(Y) Specimen Label here :
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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:
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