Gallium is a silvery metal whose melting point is only about 85 degrees Fahrenheit. If you hold a solid gallium crystal in your hand, your body heat will cause it to slowly melt into a silvery metallic puddle
Ajoite is a hydrated sodium potassium copper aluminium silicate hydroxide mineral. Ajoite has the chemical formula and minor Mn, Fe and Ca are usually also present in the structure. Ajoite is used as a minor ore of copper.