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Kyanite

Photo: W.carter / Wikimedia Commons (CC BY-SA 4.0)

Kyanite

Also known as: Blue kyanite, black kyanite

Blade-shaped blue crystals with two different hardnesses in one crystal – a stone of alignment in crystal lore.

  • ColourBlue, Black, Green, Orange
  • Mineral groupAluminium silicate
  • ChemistryAl₂SiO₅
  • Hardness (Mohs)4.5–5 (along) / 6.5–7 (across)
  • Crystal systemTriclinic
  • Where it's foundBrazil, Nepal, India, Kenya, USA
  • ChakraThroat, All
  • ZodiacLibra, Taurus, Aries

What is Kyanite?

Kyanite forms long, flat, blade-like crystals. It is famous among geologists for having two very different hardnesses: about 4.5–5 along the length of the crystal but 6.5–7 across it. It forms under high pressure in metamorphic rocks, so geologists use it as a pressure indicator.

The name comes from the Greek kyanos, "blue". Black kyanite forms fan-shaped crystals often sold as "witch's brooms".

Kyanite astrology & birthstone

  • Zodiac signsLibra, Taurus, Aries
  • Ruling planetVenus
  • ElementAir
  • Birthstone month—

Zodiac, planet and element links come from crystal-lore traditions and vary between authors. Birthstone months follow the American Gem Society list.

Kyanite meaning & traditional properties

Kyanite is associated with alignment, clear communication and calm. Crystal lore says it never needs cleansing – a popular belief among collectors.

  • Alignment
  • Communication
  • Calm

Traditional and metaphysical properties are shared for cultural and educational interest. Crystals are not a substitute for medical advice or treatment.

How to use Kyanite

  • Keep a blade on your desk or bedside table.
  • Wear kyanite as a pendant near the throat.

How to care for Kyanite

Kyanite splits and splinters easily along its length. Handle gently, avoid knocks and don't soak it.

Shop Kyanite

Hand-picked kyanite crystals and jewellery from our Paralimni workshop.

Rituals & pairings

Pair Kyanite with a intuition & meditation ritual

A quiet meditation ritual for focus, intuition and clarity.

Traditionally paired with: Frankincense, myrrh, lotus or copal incense · A purple or white candle · Sage to clear the space

  • Clear the room with a little sage smoke and sit comfortably.
  • Light a purple or white candle and frankincense, lotus or copal incense.
  • Hold your crystal or rest it in front of you and breathe slowly for 5–10 minutes.
  • Note down any ideas or feelings that come up.

Safety: never leave candles, incense or smudge sticks burning unattended, keep them away from children, pets and anything flammable, and ventilate the room. Rituals are shared as tradition, not as a treatment.

Ritual oils, essential oils & perfumes

Deepen your practice: tarot & oracle cards

Wear it & work with it

Kyanite jewellery & pendulums

Kyanite FAQs

Why does kyanite have two hardnesses?

Its crystal structure bonds are stronger in one direction than another.

Is kyanite fragile?

Yes, the blades split easily along their length.

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  • Apatite
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  • Black Tourmaline
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Sources