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