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Dumortierite

Photo: James St. John / Wikimedia Commons (CC BY 2.0)

Dumortierite

Also known as: Blue quartz

Denim-blue borosilicate often found in quartz – a crystal lore stone of focus and patience.

  • ColourDenim blue, Violet, Pink
  • Mineral groupBorosilicate
  • ChemistryAl₇BO₃(SiO₄)₃O₃
  • Hardness (Mohs)7–8.5
  • Crystal systemOrthorhombic
  • Where it's foundBrazil, Madagascar, Mozambique, USA, France
  • ChakraThroat, Third Eye
  • ZodiacLeo

What is Dumortierite?

Dumortierite is an aluminium borosilicate that usually forms tiny fibrous crystals, colouring quartz a denim blue (sometimes sold as "blue quartz"). It was named in 1881 after French palaeontologist Eugène Dumortier. A pink mineral closely related to dumortierite is responsible for the colour of rose quartz.

Dumortierite astrology & birthstone

  • Zodiac signsLeo
  • Ruling planet—
  • ElementWater
  • Birthstone month—

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

Dumortierite meaning & traditional properties

Dumortierite is associated with focus, patience and organisation in crystal traditions – a popular study stone.

  • Focus
  • Patience
  • Organisation

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

How to use Dumortierite

  • Keep dumortierite on your desk while studying.
  • Carry it when you need patience.

How to care for Dumortierite

Hard and durable. Clean with warm soapy water.

Looking for Dumortierite?

Dumortierite isn't in our shop right now – new stock arrives regularly. In the meantime, explore similar crystals we have available or browse our full crystal collection.

  • Sodalite
    In our shop

    Sodalite

    Royal blue stone with white veins, once used to decorate a royal residence – a crystal lore stone of logic ...

  • Lapis Lazuli
    In our shop

    Lapis Lazuli

    Royal blue rock flecked with gold pyrite, mined in Afghanistan for over 6,000 years and ground into ultrama...

  • Kyanite
    In our shop

    Kyanite

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

  • Rose Quartz
    In our shop

    Rose Quartz

    Soft pink quartz – the best-known stone of love, self-love and compassion in crystal traditions.

Rituals & pairings

Pair Dumortierite 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

Dumortierite jewellery & pendulums

Wear the energy of your favourite crystals every day – browse our handmade crystal jewellery and dowsing pendulums.

Dumortierite FAQs

Is dumortierite the same as sodalite?

No – they look similar, but dumortierite is a harder borosilicate.

Who is it named after?

French palaeontologist Eugène Dumortier.

Related crystals

  • Sodalite
    In our shop

    Sodalite

    Royal blue stone with white veins, once used to decorate a royal residence – a crystal lore stone of logic ...

  • Lapis Lazuli
    In our shop

    Lapis Lazuli

    Royal blue rock flecked with gold pyrite, mined in Afghanistan for over 6,000 years and ground into ultrama...

  • Kyanite
    In our shop

    Kyanite

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

  • Rose Quartz
    In our shop

    Rose Quartz

    Soft pink quartz – the best-known stone of love, self-love and compassion in crystal traditions.

Sources