Gemstone Colour
Natural gemstones occur in a huge variety of colours. A gemstone's colour is caused by metal ion impurities such as chromium, iron and copper. Some individual gemstones, such as sapphire and tourmaline, are found in a number of different colours. Here are some of the most common colour groups, and some of the gemstones which belong to them:
Red - Ruby , Garnet , Spinel, Coral, Alexandrite, Tourmaline
Blue - Sapphire, Aquamarine, Topaz, Tourmaline, Paraiba Tourmaline, Tanzanite, Spinel, Zircon, Lapis Lazuli, Iolite, Turquoise
Pink - Ruby, Sapphire, Spinel, Garnets, Kunzite, Morganite Beryl, Topaz, Tourmaline
Green - Emerald, Tourmaline, Tsavorite Garnet, Demantoid Garnet, Peridot, Jade, Sapphire, Chrome Diopside, Chrysoprase, Alexandrite, Moldavite
Yellow - Sapphire, Citrine, Chrysoberyl, Topaz, Zircon, Amber, Andalusite, Tourmaline, Garnet
Violet - Amethyst, Garnet, Sapphire, Spinel, Tanzanite, Jadeite
Orange -Sapphire, Garnet, Mandarin Garnet, Citrine, Topaz, Fire Opal
|