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Jet

Photo: Thmsfrst / Wikimedia Commons (Public domain)

Jet

Also known as: Whitby jet

Lightweight black fossilised wood made famous by Victorian mourning jewellery – a traditional protective stone.

  • ColourBlack
  • Mineral groupMineraloid (fossilised wood / lignite)
  • ChemistryMostly carbon
  • Hardness (Mohs)2.5–4
  • Crystal systemAmorphous
  • Where it's foundEngland (Whitby), Spain (Asturias), Germany, USA
  • ChakraRoot
  • ZodiacCapricorn

What is Jet?

Jet is fossilised wood – a hard, compact form of lignite made from ancient trees buried in sea-floor mud. The most famous jet comes from Whitby in England, where it formed around 180 million years ago in the Jurassic period. It is surprisingly light and feels warm to the touch.

Jet became hugely popular after Queen Victoria wore it while mourning Prince Albert from 1861, making Whitby jet the fashionable mourning jewellery of the era. Spain's Asturias region also has a long jet-carving tradition.

Jet astrology & birthstone

  • Zodiac signsCapricorn
  • Ruling planetSaturn
  • ElementEarth
  • Birthstone month—

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

Jet meaning & traditional properties

Jet is traditionally associated with protection, comfort in grief and grounding, and was carried as a protective amulet.

  • Protection
  • Comfort
  • Grounding

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

How to use Jet

  • Wear jet as a classic protective amulet.
  • Keep a piece as a comforting keepsake.

How to care for Jet

Soft and can scratch or crack. Avoid heat and chemicals; wipe with a soft dry cloth.

Looking for Jet?

Jet 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.

  • Black Obsidian
    In our shop

    Black Obsidian

    Natural volcanic glass with razor-sharp edges – a classic protective, grounding stone.

  • Onyx
    In our shop

    Onyx

    Parallel-banded chalcedony prized for cameos since antiquity – a crystal lore stone of strength and self-co...

  • Amber
    In our shop

    Amber

    Warm, golden fossilised tree resin – millions of years old and light enough to float in salt water.

Rituals & pairings

Pair Jet with a protection & cleansing ritual

A traditional cleansing ritual for resetting your space and feeling protected.

Traditionally paired with: White sage or palo santo smudge sticks · Dragon's blood, frankincense or myrrh incense · A white or black candle

  • Open a window, then light a white sage or palo santo stick and let it smoulder.
  • Gently waft the smoke around your crystal and through the room, corners first.
  • Light a white candle and place your crystal beside it while you set a simple intention, such as "This space is calm and protected".
  • Finish with frankincense or dragon's blood incense and let it burn down safely.

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

Jet jewellery & pendulums

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

Jet FAQs

What is jet made of?

Fossilised wood – a hard form of lignite.

Why is jet linked to mourning?

Queen Victoria wore jet after Prince Albert died in 1861, making it fashionable mourning jewellery.

Related crystals

  • Black Obsidian
    In our shop

    Black Obsidian

    Natural volcanic glass with razor-sharp edges – a classic protective, grounding stone.

  • Apache Tears

    Apache Tears

    Small rounded nuggets of obsidian that glow smoky-brown when held to the light – a stone of comfort in crys...

  • Onyx
    In our shop

    Onyx

    Parallel-banded chalcedony prized for cameos since antiquity – a crystal lore stone of strength and self-co...

  • Amber
    In our shop

    Amber

    Warm, golden fossilised tree resin – millions of years old and light enough to float in salt water.

Sources