Phrasomdejs’ Evolution
 
   
 
Phrasomdejs’ Evolution Phrasomdej is created by quick lime and slaked clam powder accompany with various holy substances, so we can investigate the age of the amulet by its crust evolution from calcium oxide and calcium carbonate solution. The crust development may step by step of time consuming as the follows. 1. Appear slight of cement dust on the skin of amulets and then gradually obvious powder 2. Quite thick calcium carbonate skin 3. Tung-Eiw oil absorbs along cavities of particle inside-out 4. Appear first layer as wavy skin on surface 5. Think skin layer and appear Tung-Eiw oil and show obviously flowing trace of oil. 6. Appear various ways of skin crusting accompany with Tung-Eiw oil trace of flowing