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Goerg & Schneider

258 Gray clay with black chamotte

258 Gray clay with black chamotte

Regular price 210 SEK
Regular price 210 SEK Sale price 210 SEK
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Clay 258 is a grey clay with black grog. It contains 25% black grog (0–0.5 mm), which provides both structure and color contrast. The clay is plastic and easy to shape, and is well-suited for building small to medium-sized objects, slab building, coiling, and can also be used for throwing if you can handle slightly coarser grog. A vibrant, tactile, stone-like surface can be created by sponging the grog before firing – perfect if you want to give your work a rustic or artistic character.

Applications: Perfect for sculpture, slab building, coiling, and also suitable for throwing for those who don't have overly sensitive hands.

Firing temperature: 1000-1240°C

Not sure which clay to choose? See Lervis clay guide

Buy more, save more!

Quantity Price per package You save
5 packages 202 kr 4%
10 packages 193 kr 8%
25 packages 185 kr 12%
40 packages 176 kr 16%
Discount applied automatically at checkout

Product Information

Technical specification

Burn color:Black on white
Burning range:1000°C – 1240°C
Chamotte:25%
Chamotte grain size:0 – 0.5mm
Drying shrinkage (at 110 °C):6%
Burn shrinkage:1070 °C – 3%, 1140 °C – 5%, 1240 °C – 6%
Water absorption:1070 °C – 8%, 1140 °C – 4%, 1240 °C – 0.4%
Coefficient of Thermal Expansion (CTE):62 × 10⁻⁷ °C⁻¹ (20 °C – 500 °C)
Recommended uses:Modeling

Dimensions & Weight

One package contains 10kg of clay.

Height: 7cm
L: 32cm
W: 21cm

Care instructions

Storage
Clay should be protected from direct sunlight and preferably stored cool. Recommended storage temperature is 5-18 degrees. Clay is a frost-sensitive product. Keep this in mind when ordering during the winter, Lervis is not responsible for handling the clay during shipping from Lervis to the customer.

Sustainability
Always keep the packaging tightly closed to prevent the clay from drying out. If it has dried out, add a little water and close it for a few days, and it will have softened again and can be kneaded and used. Don't forget the value of recycling all your clay waste. Clay is a fantastic natural material that can be reused many times before it is burned.

Shipping Information

Orders shipped
Orders are shipped via DHL and sent on Mondays, Wednesdays, and Fridays. Delivery time is 2-4 business days.

Risk of frost – important to know
Please note that clay, brush-on glazes, and other liquid products can be damaged by frost. By completing your purchase, you as a customer accept responsibility for the timing of your order and your choice of delivery. Lervis does not replace products damaged by frost during transport.

Pick up at Lervis ceramic studio
Your order can be picked up on-site at the Lervis ceramic studio, 10 km south of Hjo. The order can be picked up the following day and the pickup room is open 24/7.

Local pickup in other locations
Jönköping, Borås, Örebro, Linköping..
Occasionally, local pickup is offered in other locations. You will see that option when selecting shipping.

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What our customers say about Lervis

Read reviews from ceramicists and clay lovers across Sweden

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Weekend course

"Fantastic course! I learned a lot about clay, throwing, trimming, and glazing. Educational instructor who demonstrates and provides help. Recommended!"

Anna-Camilla August 2, 2024
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Ceramic printing techniques

"A very inspiring course A very inspiring and useful course. It gave me even more creative joy in the world of ceramics."

Nina 2025-09-27
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Best customer service

"Thank you so much! What service, world-class!"

Ida 2025-06-08
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Candy store for potters!

"Very nice little shop with great service! Like being a kid in a candy store. 😊"

Linda 2025-07-12
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Inspirational place!

"Always quick and helpful responses and super service whenever we shop at Lervis! A lovely environment to land in for a moment, and it's easy to stay a little longer just for all the inspiration you get from looking at everything in the store. Nice, easy-to-use, and affordable glazes!"

Camilla 2025-09-27
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Try pottery throwing

"Nice and fresh environment. Very pleasant and inspiring owner. Definitely recommend a visit."

Anders September 13, 2024

Lervis Clay Guide - Tips for those looking for clay!

As you test different clays, you will, just like me, discover an incredible variety of possibilities for expressing your creativity. Each clay has its own unique properties that affect workability, texture, color, and firing characteristics. In this guide, I want to help you clarify the concepts so that you can choose a suitable clay based on your needs. Or get inspiration to test a new, exciting clay!

To the clay guide

Frequently Asked Questions

Here you will find answers to the most frequently asked questions about Lervis and our products.

  • If you are a beginner, we recommend that you use a clay that works for several different techniques. It should contain approx. 25% chamotte with a grain size of up to 0.2 mm.

    If you want a light-colored clay, I recommend clay no. 254.
    If you want a speckled clay, I recommend clay no. 930.

    Both of these also work well with all glazes.

  • You can find the safety data sheets on the respective glaze pages here at lervis.se. Click on the "Product information" tab, where there will always be a link to the safety data sheet.

  • Feel free to check out our Beginner's Guide to pottery throwing!

  • We ship orders Monday, Wednesday and Friday via DHL, and pallets are sometimes shipped via DSV. Delivery time is normally 2-4 business days within Sweden. Pallet shipments may take slightly longer.

  • No, ceramics must be fired in a special kiln at very high temperatures (over 1000°C-1300°C).

    If you are working with air-dry clay, it does not need to be fired at all. Read more about clay no. 751.

  • The choice of glaze depends on your clay and the desired effect. Please feel free to contact us - we will help you find the right glaze for your project and your type of clay.

  • Lervis offers a wide variety of workshops and courses. Everything from short beginner courses (Try pottery) to longer courses with guest teachers who are experts in various ceramic techniques.

    You can find all courses in the main menu under "Ceramic courses".

  • You have the right to cancel your purchase within 14 days of receiving the item, in accordance with the Distance Contracts Act.

    Terms for returns

    • Items must be unused and in their original condition when returned.
    • The customer pays for the return shipping.
    • Refunds are processed once the item has been received and approved by Lervis.

    How to make a return

    1. Contact us at info@lervis.se within 14 days of receipt.
    2. Provide your order number and the item being returned.
    3. We will send you instructions for the return.