What is melting point of human bones ? The exact composition of these compounds varies upon the type of bones being used, but generally the formula for bone ash is: Ca5(OH)(PO4)3. Bone ash usually has a density around 3.10 g/mL and a melting point of 1670°C (3038 °F). Most bones retain their cellular structure through calcination. Subscribe- @TodayILearn 2.4K viewsedited 00:57
