Gemstones that start with O

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

List of All Gemstone Names Starting With Letter “O”

  • Oakstone
  • Obsidian
  • Occidental Turquoise
  • Ocean Jasper
  • Oligoclase-Feldspar
  • Olivine
  • Olmiite
  • Onyx
  • Onyx Agate
  • Onyx Opal
  • Opal
  • Opal Jasper
  • Opal Matrix
  • Orbicular Jasper
  • Oregon Jade
  • Oregon Sunstone
  • Oriental Amethyst
  • Oriental Cat’s Eye
  • Oriental Emerald
  • Oriental Pearl
  • Oriental Peridot
  • Oriental Topaz
  • Oriental White Sapphire
  • Orpiment
  • Orthoclase-Feldspar
  • Osmium
  • Owyhee Jasper