Sentence Examples


  • Obsidian and rock crystal were also used for knife making.
  • The archers shot well and with strong bows, though their arrows were generally tipped only with stone or bone; their shields or targets, mostly round, were of ordinary barbaric forms; the spears or javelins had heads of obsidian or bronze, and were sometimes hurled with a spear-thrower or atlatl, of which pictures and specimens still exist, showing it to be similar in principle to those used by the Australians and Eskimo.
  • The most characteristic weapon of the Mexicans was the maquahuitl or " handwood," a club set with two rows of large sharp obsidian flakes, a well-directed blow with which would cut down man or horse.
  • Large areas are overlain with trachyte, basalt, obsidian, tuff and pumice.
  • OBSIDIAN, a glassy volcanic rock of acid composition.