Amethyst which comes with its deep purple shade can be a very amazing Valentine's Day gift. Especially if your valentine is of a strong personality, it would look just perfect on her. Amethyst Necklaces look great on traditional and ethnic occasions whereas Amethyst Rings are preferable for professional use. With good ratings on Mohr's scale, it has got good strength and durability and that's why it can be a piece of good Daily wear jewelry too.