Bone Ash, Calcium Phosphate

Human Remains

http://www.funeraltrend.com/2015/05/whats-in-cremated-remains-human-ashes.html

Analysis found on Clayart (unknown source):

HUMAN ASH (ANALYSIS)
CaO 39.0%
P2O5 50.2%
K2O 4.8%
Na2O 3.8%
MgO 0.9%
SiO2 1.1%
Fe2O3 0.2%
ZnO 0.1%
LOI 94.8%