Properties of Gritstone lan Shonkinite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora kasedhiya
porosity
Highly keropos
kurang keropos
luster
kurang
subvitreous kanggo kurang
cleavage
sampurna
sampurna
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.250
2.6-2.7
Kapadhetan
2.2 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, nyandhang tahan