Gemstones Of The World

Gemstones of the world

Gemstones have enhanced the beauty of jewellery for thousands of years, and gemstone jewellery can be counted among some of the most beautiful jewellery in the world. Available in every imaginable colour, there is a gemstone for everyone. Read on to discover the history, ancient symbolism and folklore associated with many precious and semi-precious gems. Also learn the technical aspects of the various gems and how to properly care for them so that they continue to give you a lifetime of enjoyment.

Gemstones of the world
  • Amethyst
  • Chrysoprase
  • Blue Topaz
  • Chalcedony
  • Citrine
  • Garnet
  • Onyx
  • Peridot
  • Aquamarine
  • Amber
  • Opal
  • Pearl
  • Tanzanite
  • Turquoise



What is Amethyst?

Amethyst is a quartz in shades of purple, lilac or mauve. Quartz is the name of a group of minerals which all have the same chemical composition and physical properties. It is found in alluvial deposits, many of which are in Brazil.



What is Garnet?

Garnet is a variety of crystallized mineral. The word ‘Garnet’ comes from the Latin word ‘Granum’ meaning grain or pomegranate seeds as it looks similar to those seeds. It is found predominately in Africa and South East Asia in metamorphic rocks Garnet varies in colour. The more common ones are:

  • Almandine – purple/ red
  • Demantoid – yellow/green
  • Green grossular – green
  • Hessonite – brown/yellow
  • Pink grossular – pink/colourless
  • Pyrope – red
  • Spessartine – orange
  • Tsavorite – bright green
  • Uvarovite – bright green



What is Peridot?

Peridot is formed from the mineral olivine. It is olive or bottle green in colour and has an oily lustre. The greener the gem, the higher the price.

It is found on St. Johns Island in Egypt and in China, Burma and Brazil and now large amounts are mined in Pakistan.


What is Aquamarine?

Aquamarine is a gemstone in the Beryl Group. Blue Beryls are called Aquamarine. The name, Aquamarine means ‘sea water’. Much Aquamarine is found in Brazil in alluvial gravel deposits and more recently it has been found in Nigeria.


What is Tanzanite?

Tanzanite is a gem in the Zoisite mineral group. It is found in Tanzania (hence the name). The colour is ultramarine to sapphire blue. In its natural state, it has yellow and brown tinges. These are usually removed by heat treatment so the basic violet blue hue is intensified.


What is Turquoise?

Turquoise is a soft, porous mineral of an intense blue/green colour.

The highest quality turquoise is found in Persia; it is the national gem of Iran. It is also found in Tibet.

The main supplier of Turquoise is the USA.