a black or dark-colored volcanic glass, usually composed of rhyolite

listen to the pronunciation of a black or dark-colored volcanic glass, usually composed of rhyolite
İngilizce - İngilizce

a black or dark-colored volcanic glass, usually composed of rhyolite teriminin İngilizce İngilizce sözlükte anlamı

A black or dark-colored volcanic glass, usually composed of rhyolite
obsidian
a black or dark-colored volcanic glass, usually composed of rhyolite