Sentence Examples


  • Other valuable stones, the topaz, chrysolite, aquamarine amethyst and tourmaline are found.
  • Zircon, tourmaline, garnet and other precious stones of little commercial value are found throughout Australia.
  • The granite, which is intruded through the Eocene beds, is associated with a pegmatite containing tourmaline and cassiterite.
  • Mica, talc, chlorite, haematite), or in long blades or fibres (anthophyllite, tremolite, actinolite, tourmaline), and, when these have a well marked parallel arrangement in definite bands or folia, the rock will break far more easily along the bands than across them.
  • Garnet, tourmaline, staurolite, andalusite, actinolite, chloritoid or ottrelite, epidote, haematite, and if any of these is abundant its presence may be indicated by the name given the rock, e.g.