Gemstone rock soap is made from melt-and-pour soap base or what is referred to as "casting soap." This soap melts easily in the microwave and is poured into various molds and containers. For gemstone soap, the soaps are chopped up, then reconfigured to create gems or geodes with sparkly finishes. Most of the supplies for gemstone soap can be found at your local craft supply store or though online retailers.
Things You'll Need
- 7 ounces of casting or melt-and-pour soap
- 15 drops of fragrance or essential oil
- Mica colorant
- Dark colorant
- Very warm water
- Melted untinted soap
Take 4 ounces of the solid melt-and-pour soap base and divide it into two equal pieces. Chop up one piece of the soap into very fine pieces, like diced onions. Chop up the other pieces into larger chunks ranging in size from 1/4 inch to 1/2 inch square.
Put about five drops of your essential or fragrance oil into the first pile of smaller pieces of soap. This pile will form the center of the gemstone. Mix the fragrance in with your fingers and begin packing the pieces together to form a ball shape. Press firmly together, compacting the pieces as much as possible.
Sprinkle the second pile containing the larger chunks of soap with the mica colorant you have chosen. Gently mix the mica into the soap pieces, tossing them gently. Add roughly 10 drops of your chosen fragrance or essential oil to the pieces and mix in completely, using your hands. Take these larger pieces and pack them around the crystal center you made with the smaller pieces. Set this initial gemstone to the side.
Melt 3 ounces of melt-and-pour soap in a 1-cup glass measuring cup. Add enough of the dark colorant to turn the melted soap very dark brown, almost black. Let this cool off to about 120 degrees F.
Place the gemstone core into the measuring cup containing the melted soap. Turn it to coat completely. Using a stainless large spoon, remove the gemstone soap and place it on a sheet of aluminum foil. Let the surface harden, then dip and cool again in the same way. Repeat this process until there is a complete, thin layer of the dark melted soap over the entire surface of the gemstone. Let it cool off completely.
Fill a tall glass with warm water. Dip a table knife in the water to warm it up. Place the soap firmly in one hand and with the other, quickly slice through the soap with the knife. Gently pull apart the two halves. You should have a beautiful gemstone soap.
- The Everything Soapmaking Book, Alicia Gross, F & W Publications, 2003.
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