Lipari obsidian is of excellent quality, black per colour, very shiny and sometimes perlitic

Lipari obsidian is of excellent quality, black per colour, very shiny and sometimes perlitic It is generally subaphyric and contains clinopyroxene micro-phenocrysts (10–50 m), almost always per synneusis with magnetite and olivine micro-phenocrysts (Acquafredda et al., 1999). 3.2. Sardinia: Ammasso Arci 30 km 2 and located con the fascia periferica of the gulf of Oristano. […]