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Faux-Agate Pendant

Earn your Girl Scout jewelry badge by creating an affordable clay replica of the colorful crystalline mineral.

Photography: Rob Tannenbaum

Source: The Martha Stewart Show, May 2012


  • 1 pack translucent polymer clay

  • 1 pack white polymer clay

  • Coarse and fine kitchen graters

  • 3 packs polymer clay in colors of choice

  • Clay roller (craft "pasta" machine) or rolling pin

  • Clay slicer ("tissue" blade)

  • Wax paper

  • Small stirrer-size straw

  • Aluminum foil

  • Sandpaper

  • Paper towels

  • High-gloss enamel spray

  • Leather cord


  1. Place translucent and white clays in freezer for 1 hour. Grate 1 pack cold translucent clay on a coarse grater. Grate 1/4 pack cold white clay with fine grater.

  2. While still cold, sprinkle grated white clay onto grated translucent clay. Let clay warm to room temperature; press into a log about 1 inch thick by 2 1/2 inches long.

  3. Form 1/4 pack colored clay into ball. Mix 1/4 pack of the same colored clay with 1/8 pack white clay. Repeat with 2 other colors.

  4. Roll each ball of colored clay through a clay roller.

    Tip: If you don't have a clay roller, you can also flatten clay by covering with wax paper and using a rolling pin.

  5. Wrap each layer of clay once around the white/translucent log. Squeeze with hands so all layers stick together.

  6. Use a clay slicer to slice 1/4-inch thick pieces as straight as possible. (One log will yield about 10 pendants.)

    Tip: To create different-shaped pendants, press or roll clay log before making the next slice.

  7. After slicing, sandwich clay in wax paper and flatten to an even thickness. Use a straw to poke a hole at the top of the pendant.

  8. Sandwich pendants in aluminum foil and place in preheated 275 degree oven for 15 minutes. Immediately drop pendants into ice water to cool.

  9. Smooth with sandpaper, then wipe clean with wet paper towel.

  10. Spray with gloss enamel; let dry.

  11. String leather cord through hole.

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