Buy Caluanie Muelear Oxidize for crushing precious stones.
Caluanie muelear oxidize (Heavy water) is used for crushing and processing precious metals and semi precious stones.

How it works:
This product facilitates the breaking of nails with bare hands after a 10-20 second dive.
Heavy water changes the properties of the metal, making it brittle. But at the moment of evaporation of heavy water, the rock returns to its previous state.