| |
 |
Ungarettiite Mineral Data
|
|
|
General Ungarettiite Information
|
 Chemical Formula: |
NaNa2(Mn++2Mn+++3)Si8O22O2 |
| Composition: |
Molecular Weight = 952.33 gm |
| |
Sodium 7.24 % Na 9.76 % Na2O |
| |
Manganese 28.84 % Mn 14.90 % MnO / 24.87 % Mn2O3 |
| |
Silicon 23.59 % Si 50.47 % SiO2 |
| |
Oxygen 40.32 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na3Mn2+2Mn3+3Si8O24 |
| Environment: |
Manganiferous silicate and oxide rocks. |
| IMA Status: |
Approved IMA 1995 |
| Locality: |
The abandoned Hoskins Manganese mine, 3 km west of Grenfell, New South Wales, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Prof. Luciano Ungaretti (1942-), Universita de Pavia, Pavia, Italy. |
| Name Pronunciation: |
Ungarettiite + Pronunciation  |
| Synonym: |
ICSD 79738 |
| |
IMA1994-004 |
| |
PDF 47-1867 |
| |