Idiochromatic Gem Allochromatic Gem Pleochroic Gem Parti Coloured Gem
Beryl Zircon Olivine Garnet
Iolite Peridot Watermelon Tourmaline Corundum
Citrine Amethyst Rock Crystal Aventurine Quartz
Garnet Beryl Olivine Tourmaline
Green Purple Brown Pink
Citrine Turquiose Lapis Lazuli Peridot
Blue Green Brown Red
Facet Pavilion Girdle Crown