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