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GemIntro

Level 2 – online – entry-level course

  • The Gemstones
  • Agate
  • Alexandrite
  • Amber and Copal
  • Amethyst
  • Aquamarine
  • Beryl Group
  • Biogenic gems
  • Carnelian
  • Citrine
  • Coral
  • Corrundum
  • Cubic Zirconia (CZ)
  • Diamond
  • Emerald
  • Garnet
  • Glass
  • Iolite
  • Jade
  • Lapis Lazuli
  • Opal
  • Pearls
  • Peridot
  • Quartz
  • Rock Crystal
  • Ruby
  • Sapphire
  • Spinel
  • Tanzanite
  • Topaz
  • Tourmaline
  • Turquoise
  • Zircon

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