• A is for Andesite rock
  • B is for Basalt rock
  • C is for Coal rock
  • D is for Dacite rock
  • E is for Eclogite rock
  • F is for Foid-Syenite rock
  • G is for Granite rock
  • H is for Hornblendite rock
  • I is for Impactite rock
  • J is for Jaspilite rock
  • K is for Kimberlite rock
  • L is for Limestone rock
  • M is for Marble rock
  • N is for Nodule rock
  • O is for Obsidian rock
  • P is for Pegmatite rock
  • Q is for Quartzite rock
  • R is for Rhyolite rock
  • S is for Scoria rock
  • T is for Travertine rock
  • U is for Ultramafic rock
  • V is for Volcanic bomb
  • W is for Wollastonite rock
  • X is for Xenolith rock