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Herkimer Diamond

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

Herkimer Diamond

Also known as: Herkimer quartz

Brilliantly clear, double-pointed quartz crystals from New York State – not diamonds, but nature's sparkle.

  • ColourClear
  • Mineral groupQuartz
  • ChemistrySiO₂
  • Hardness (Mohs)7
  • Crystal systemTrigonal
  • Where it's foundUSA (Herkimer County, New York)
  • ChakraCrown, Third Eye
  • ZodiacSagittarius

What is Herkimer Diamond?

Herkimer "diamonds" are quartz, not diamonds. They are prized because they grow as exceptionally clear crystals with points at both ends (double-terminated), naturally faceted so they sparkle like cut gems.

They are found in cavities in roughly 500-million-year-old dolostone rock around Herkimer County, New York, where visitors can still dig for them. Similar double-terminated quartz from elsewhere is sometimes sold under the same name.

Herkimer Diamond astrology & birthstone

  • Zodiac signsSagittarius
  • Ruling planet—
  • 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.

Herkimer Diamond meaning & traditional properties

Herkimer diamond is associated in crystal traditions with clarity, amplifying intentions and vivid dreams.

  • Clarity
  • Amplifying
  • Dreams

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

How to use Herkimer Diamond

  • Keep a Herkimer crystal by your bed or on your desk.
  • Wear it set in jewellery for natural sparkle.

How to care for Herkimer Diamond

Hard (7) but small points can chip. Clean with warm soapy water.

Looking for Herkimer Diamond?

Herkimer Diamond 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.

  • Clear Quartz
    In our shop

    Clear Quartz

    Water-clear rock crystal – the 'master' stone of crystal lore and the heart of modern electronics.

  • Selenite
    In our shop

    Selenite

    Luminous gypsum named after the moon – a cleansing stone in crystal lore that must be kept away from water.

Rituals & pairings

Pair Herkimer Diamond 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

Herkimer Diamond jewellery & pendulums

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

Herkimer Diamond FAQs

Is a Herkimer diamond a real diamond?

No – it is naturally double-terminated quartz from Herkimer County, New York.

Why are Herkimer diamonds so clear?

They grew slowly in open cavities in dolostone, forming very clean crystals.

Related crystals

  • Clear Quartz
    In our shop

    Clear Quartz

    Water-clear rock crystal – the 'master' stone of crystal lore and the heart of modern electronics.

  • Diamond

    Diamond

    Pure crystallised carbon from deep in the Earth – the hardest natural mineral and April's birthstone.

  • Apophyllite

    Apophyllite

    Glassy, pyramid-shaped crystals from India's volcanic rocks, prized for their sparkle and meditative feel.

  • Selenite
    In our shop

    Selenite

    Luminous gypsum named after the moon – a cleansing stone in crystal lore that must be kept away from water.

Sources