Volcanic Work Surface. Pyrolave is made from slabs of lava extracted from a volcanic crater in France, then glazed with enamel and fired in a 1,000°F kiln. Its maker says that the resulting work surface is unaffected by corrosive products, acids, or extreme temperatures and can be used indoors or out. The product comes in 32 colors and finishes; pricing starts at $330 per square foot. Pyrolave USA, 919/788-8953, www.pyrolave.com

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