# ===================
# HU	density g/cm3
# ===================
-2000		0.001
-1000		0.001
-739		0.28
-628		0.4
-97		0.942
-52		0.977
0		1.000
14		1.053
70		1.097
213		1.143
220		1.154
588		1.335
1046		1.560
1565		1.825
5000		1.825
