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