limestone [Noun] + hard [Adjective]

Strength Strength Dispersion
A:
8
CHISQ:
33.24
AWT:
16,051,547
TTEST:
2.36
G2:
19.02
FAWT:
3.39
MI:
2.58
LOGLOG:
7.74
JD:
0.51
MI3:
8.58
DICE:
0.1
RANGE: