We have Caluanie Muelear Oxidize at a very affordable price for crushing and processing precious metals. This product is used for crushing and processing precious metals and semi-precious stones. It is used in the chemical industry for processing precious and semi-precious stones, for crushing metals. It makes it easier to break nails with bare hands after a 10-20 second immersion. Heavy water changes the properties of the metal, making it brittle. But when the heavy water evaporates, the rock returns to its original state.