What happens if you microwave a rock?
            Chef's answer
            
                
                    
                        
                
            
        
    
                            To do so, a small rock is placed into a cup of water and placed in a microwave for three minutes. ... The inside of each of the rocks can be seen to have crystallized as a result of the heat being applied, causing crystals to form in the rock's gas bubbles. 
                    
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