Gemology: A is for ...

Wow, there are so many gemstones out there! We all know the most common precious stones: Emerald, Ruby, Sapphire etc. but do you know any of these less well known semi-precious gems? Our pictorial guide will give you head start on gems beginning with A!

A Selection of Colourful Mineral Gemstones

A Selection of Colourful Mineral Gemstones

On this page you will find the wonderfully colourful world of Abalone, Achroite, Actinolite, Adamite, Afghanite, Agate, Ajoite, AkoyaPearl, Alexandrite, Albite,

Almandine, Amazonite, Amber, Amblygonite, Amethyst, Ammolite, Andalusite, Andesine-Labradorite, Apatite, Apophyllite, Aquamarine, Aventurine, Axinite, and Azurite. Abalone OK, starting with a bit of a cheat - this one isn't a gem! Abalone is a kind of sea snail and the lining of its shell – mother-of-pearl – is prized for jewellery decoration. You'll usually find it forming a layer or inlay for a coloured background as it's not suitable to be cut like a gem.

Inside an Abalone Shell Showing Mother-of-Pearl