Geode Tray Mold 330mm (13in)


Flexible & durable Use with variety of materials
Re-use up to 30 times Use between -53°C ... +232°C (-65°F ... +450°F)

Silicone mold for epoxy resin and polymer clay for making 330 mm geode tray castings. Suitable for creating coasters, decorations.

Out of stock


This mold has one cavity in a shape of a big geode.

Item made with this mold has the following dimensions:

  • Size: 330 x 255 mm (13″ x 10″)
  • Thickness: 10 mm (3/8″)

Surface: front main surface is glossy. The surface might have small imperfections. The side surfaces are glossy. Side surfaces might have small imperfections.
The color of the silicone will be green or blue.


All of our silicone molds are flexible, resistant to tearing, and are durable in use.

You can use silicone molds with the following materials:

  • Resins
  • Epoxy resins
  • Polymer clay
  • Soap
  • Wax
  • Low-temperature melt light metals
  • Plaster
  • Gypsum
  • Concrete

Useful temperature range for molds: from -53°C to +232°C / from -65°F to +450°F.

Check FAQ for more detailed information (materials to be used with the molds, care instructions, etc).

Please, don’t hesitate to contact us if you have any questions!

Additional information



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