Amethyst
Purple quartz, the February birthstone, famous since ancient Greece as the stone of calm and a clear head.

Crystal Guide · Crystals by purpose
A calm bedroom ritual can help you wind down. In crystal traditions, these stones are associated with restful sleep and a peaceful mind – many are soft lilac, blue or white.
Place one on your bedside table, pair it with lavender or chamomile incense (never left burning) and keep screens away. Crystals are not a treatment for sleep problems – speak to your doctor if poor sleep continues.
Purple quartz, the February birthstone, famous since ancient Greece as the stone of calm and a clear head.
Soft white stone with grey veins, named after a Canadian chemist – a crystal lore favourite for calm and sl...
Lilac lithium mica with a soft sparkle, popular in crystal lore for calm, balance and sleep.
Delicate sprays of white needle crystals from India – a peaceful crystal lore stone for rest.
Zodiac, chakra and purpose associations come from crystal-lore traditions and vary between authors. Crystals are not a substitute for medical advice.