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

Crystal Guide · Chakra crystals
In yoga and energy traditions, the Third Eye chakra is located at the forehead, between the brows and is linked with intuition and insight. Its traditional colours are indigo and violet, so many third eye chakra crystals share those tones.
Chakras come from spiritual traditions rather than science – enjoy these crystals as part of meditation or a relaxing ritual.
Purple quartz, the February birthstone, famous since ancient Greece as the stone of calm and a clear head.
Vivid blue phosphate mineral – the same mineral family found in our bones and teeth.
Glassy, pyramid-shaped crystals from India's volcanic rocks, prized for their sparkle and meditative feel.
Deep 'azure' blue copper mineral once ground into Renaissance paint – a crystal lore stone of insight.
Deep blue azurite and banded green malachite grown together – two copper minerals in one stone.
Sapphire-blue triangular crystals found gem-quality in just one place on Earth – California's state gem.
Rare vivid-blue rosettes from India – one of the most striking collector minerals in the world.
Swirling lilac-purple stone found in only one place – near the Chara River in Siberia.
Rare indigo-blue copper sulphide with a purple iridescent sheen – a stone of insight in crystal lore.
Denim-blue borosilicate often found in quartz – a crystal lore stone of focus and patience.
Colour-banded crystals that gave 'fluorescence' its name – a crystal lore stone of focus and order.
Colour-changing sodalite that turns violet under UV and fades again in daylight.
The blue-grey form of tiger's eye with a silky moving shimmer – a crystal lore stone of focus and insight.
Brilliantly clear, double-pointed quartz crystals from New York State – not diamonds, but nature's sparkle.
Pearly, coffin-shaped zeolite crystals in peach, white and green – a gentle collector's stone from India.
Dark grey-brown stone with a coppery shimmer – a grounding stone in crystal lore.
Violet-blue gem that changes shade as you turn it – linked in legend to Viking navigation.
Speckled white granite with round blue spots of azurite, from near the mountain K2.
Grey feldspar that flashes blue, green and gold – the 'northern lights' stone of transformation and intuition.
Royal blue rock flecked with gold pyrite, mined in Afghanistan for over 6,000 years and ground into ultrama...
Norway's national rock – dark grey stone that flashes silvery blue, used from jewellery to building façades.
Deep azure-blue phosphate crystals – a rare, vivid blue collector's stone often confused with lapis lazuli.
Forest-green natural glass created by a meteorite impact about 15 million years ago, found in the Czech Rep...
Shiny, peelable sheets of mica once used as window glass in Russia – a stone of insight in crystal lore.
Glowing milky man-made glass that flashes blue and gold – often confused with opal and moonstone.
Stormy swirls of blue and gold chatoyant quartz, first found in Namibia – nicknamed the 'tempest stone'.
Vivid purple phosphate with a satiny metallic sheen – a rare, striking stone.
Deep blue corundum and September's birthstone – a symbol of wisdom and loyalty, worn by royalty for centuries.
Delicate sprays of white needle crystals from India – a peaceful crystal lore stone for rest.
Deep blue copper silicate from Namibia and Arizona – a vivid cousin of chrysocolla.
Royal blue stone with white veins, once used to decorate a royal residence – a crystal lore stone of logic ...
Violet-blue gem found in only one small area near Mount Kilimanjaro – a December birthstone discovered in 1...
The 'TV stone' – fibres that carry an image from one side of the stone to the other like optical fibres.
Zodiac, chakra and purpose associations come from crystal-lore traditions and vary between authors. Crystals are not a substitute for medical advice.