Observer les objets géologiques
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2 results have been found.
Frequencies (cm-1) : 379, 417, 431, 449, 577, 644, 751,
Al2O3
Sample : Prismatic, mauve color, corundum in a phlogopite-feldspar-sillimanite schist.
Location : Africa, Madagascar, Ihorombe, Ihosy,
Frequencies (cm-1) : 221, 239, 288, 402, 493, 604,
Fe2O3
Sample : Granulite
Location : Europe, Italy, Alps, Valpelline,