Amethyst is one of the most popular of semi-precious gemstones with its lovely, rich purple colour that suits almost everyone and amethyst gemstone looks great set in silver or gold jewellery meaning it is hugely versatile in jewellery making.
Amethyst is the birthstone for February, although purchases as gifts all year round. It is also reasonably priced making it an ideal birthday gift. 
A member of the quartz family and a relatively hard stone, it is perfect for everyday wear.
The colour purple of Amethyst has long been associated with calm, purifcation and serenity. It is said to bring peace, serenity and calm, and is connected with the higher realms, hence it is said to be beneficial in meditation.