Natural piezoelectric effect may build gold deposits
Enlarge / A lot of gold deposits are found embedded in quartz crystals. (credit: Pierre Longnus) One of the reasons gold is so valuable is because it is highly unreactive—if…
Enlarge / A lot of gold deposits are found embedded in quartz crystals. (credit: Pierre Longnus) One of the reasons gold is so valuable is because it is highly unreactive—if…