Gem-quality peridot is occasionally found as mantle xenoliths within basalts near Pozzomaggiore, in northwestern Sardinia, Italy. The gemological properties and spectroscopic features of this material are consistent with the measured chemical composition of Fo91Fa9, typical of peridot from other localities worldwide. Although not yet mined commercially, this stone represents a promising gem material.
Characterization of peridot from Sardinia, Italy
PAVESE, Alessandro;
2009-01-01
Abstract
Gem-quality peridot is occasionally found as mantle xenoliths within basalts near Pozzomaggiore, in northwestern Sardinia, Italy. The gemological properties and spectroscopic features of this material are consistent with the measured chemical composition of Fo91Fa9, typical of peridot from other localities worldwide. Although not yet mined commercially, this stone represents a promising gem material.
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