How to make a concrete tiles using oyster and mussel shells?

Question

How to make a concrete tiles using oyster and mussel shells?

Answer 1

 use foam polysterene, gasoline and your oyster shell..first pulvurize the shell then mix all the materials and pour it into a mold allow it to be hard for 4 weeks..the ratio of oyster to the foam polysterene is 40: 60, 50:50 or 60:40 in mass..or just try to look it on web..the keyword when you search for it is..feasibility of faom polysterene and powdered talaba as tiles