stone [Noun] + pumice [Noun]

Strength Strength Dispersion
A:
7
CHISQ:
258.68
AWT:
12,182,251
TTEST:
2.58
G2:
45.53
FAWT:
4.46
MI:
5.28
LOGLOG:
14.82
JD:
0.63
MI3:
10.89
DICE:
0.13
RANGE: