Sculpt Limestone in Your Own Home

An easy way to make limestone sculptures without the need of fancy tools.

Steps

1. Get some CaCO₃ (limestone).
2. Cook the CaCO₃ (limestone) at high temperatures until it turns into a crumbly powder.
3. Take the CaO (the crumbly powder) and thoroughly mix with a small amount of water until paste.
4. Sculpt the CaH₂O₂ (the paste) into the desired shape of your limestone and dry. The use of a heat lamp might also be of some benefit if used correctly.

Tips

• Don't be alarmed if your limestone doesn't look right; normal limestone is formed under intense heat and pressure, yours wasn't.
• CaCO₃ (limestone) ---> CaO (powder) + H₂O (water) ---> CaH₂O₂ (paste) ---> CaCO₃ (limestone)

Warnings

• Don't use oil.
• Danger! The CaH₂O₂ (paste) is a strong base. Very corrosive!
• This powdery and paste substances can burn skin slowly. The more moisture involved, the greater the burn.

Things You'll Need

• limestone
• rubber gloves (for handling the CaH₂O₂ (paste)
• goggles

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