porous [Adjective] + sandstone [Noun]

Strength Strength Dispersion
A:
3
CHISQ:
611.28
AWT:
25,155,007
TTEST:
1.72
G2:
36.94
FAWT:
2.16
MI:
7.68
LOGLOG:
12.18
JD:
0.43
MI3:
10.85
DICE:
0.97
RANGE: