Amethyst Aventurine Quartz Rock Crystal Citrine
Diamond Corundum Spinel Chalcedony
Allochromatic Gems Plechroic Gems Part Coloured Gems Idiochromatic Gems
Jasper Bloodstone Agate Carnelian
Amethyst Rose Quartz Milky Quartz Citrine
Sapphire Ruby Emerald Diamond
Baguette Pendaloque Cushion Marquise