Yellow Ural Clay – Nutty Mineral-Rich Kazakh Clay (Edible Clay for Pica or Geophagia)

“A loud, clean snap from dense Kazakh clay that cracks into flakes when it meets boiling water.”

Yellow Ural Clay is a naturally occurring mineral clay from the Ural region of Kazakhstan. It arrives in solid, irregular, unprocessed chunks shaded anywhere from pale yellow to soft blue, and no two pieces are quite the same. Dry, it's firm, compact and monolithic with a sharp, clean snap. Drop it in boiling water and it audibly cracks and splits into thin, irregular flakes, then once it's dried out again it comes back more fractured, layered and slightly brittle. Nothing else in my range changes this much depending on how you prep it.

The Crunch Profile

Texture: Dense, dry, non-plastic chunks with a firm bite and a loud, clean snap. Boiled and re-dried, it turns flaky, layered and more brittle.

Flavour: Deep earthy minerals with a dusty-after-rain base and a smooth, slightly milky finish

Crunch factor: 4 – Hard/Medium

ASMR: Loud, satisfying snap

Aroma: Classic dusty-after-rain, with faint stone and dry soil notes that come through more as you chew

Hydration: Cracks and fractures into thin flakes in boiling water; once re-dried it becomes multi-layered and brittle rather than simply softening

Product Details

Weight: Sample (10-25g), 50g, 100g or 250g

Shape: Irregular natural chunks

Colour: Pale yellow to soft blue, sometimes both in one piece. Small natural black specks (charcoal inclusions) can turn up and are part of the clay.

Country & region: 🇰🇿 Kazakhstan, Central Asia (Ural region)

Ingredients: 100% Yellow Ural Clay, cleaned, with no additives, preservatives or colourings

Vendor / source: Ural Clay Market

Traditional clay origins: Ural clay deposits have historically been associated with natural geophagic earth use across Central Asian and Eurasian regions, valued for their mineral density and distinctive texture profiles.

Who is it for?

Best for: Experienced crunchers who like dense, transforming clays with a strong sensory arc across dry and hydrated states

Crunch level: 4 – Hard/Medium

Sensory style: Bold, grounding, highly textural, evolving through preparation

ASMR style: Loud, satisfying snap

Customer Quotes

Pending

Test Status

Test status: Community-Tested

Good to Know

• Clay soaks up smells in transit. When yours arrives, leave it to air out somewhere dry and well ventilated, away from strong smells, for 24 to 48 hours and the original taste and crunch come back.
• Natural chunks, so colour, size and shape vary from bag to bag.

Safety & Disclaimer

Earthy Crunch UK sells natural clay and chalk for sensory, hobby, collecting and ASMR use. These products aren’t sold as food, food supplements or health products, and they’re not food-grade certified. Under UK rules I can’t market them as food or encourage eating or swallowing them.

I recognise and respect that for some people in the pica and geophagy communities, tasting, crunching, chewing, spitting or swallowing clay and chalk is an important part of their personal experience. I don’t dismiss or judge that. But I can’t guarantee any product is suitable to eat, and I don’t make claims about its safety for consumption or any health benefits.

Sourcing matters just as much. Research sellers carefully, think about where products actually come from, and look for clear information on composition and any testing. Be wary of sending money to unknown or unverified sellers you’ve come across in Facebook groups or other online communities without doing your own checks first. A seller being popular, or recommended by another customer, doesn’t on its own mean a product is safe. For what it’s worth, everything here goes through a proper checkout with secure payment, and my reviews are public. I’d want the same from anyone I bought from.

Where testing information is available, read it and understand its limits. Testing is useful, but it doesn’t automatically mean a product is suitable to swallow, and Earthy Crunch UK can’t certify any product as safe to ingest. If you choose to taste or swallow anything, you do so entirely at your own discretion and risk.

If you’re pregnant, breastfeeding or getting strong cravings for clay, chalk or ice, speak to your GP. Cravings like these can be linked to things like low iron, and it’s worth ruling out. Adults only. Keep away from children and pets.

Products are repackaged in the UK in a clean home environment.