| |
 |
Mackelveyite-(Y) Mineral Data
|
|
|
General Mackelveyite-(Y) Information
|
 Chemical Formula: |
NaBa3CaY(CO3)3(OH)6•3H2O |
| 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 |
| 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 Withdrawn because it is a monoclinic polytype of mackelveyite-(Y).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Withdrawn IMA 2007, Proposed IMA 2005 |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 |
| |
Mckelveyite-(Y) |
| |