Properties of Gritstone lan Itacolumite
ukuran gandum
coarse grained
coarse utawa nggoleki
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
cleavage
sampurna
sampurna
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.250
2.2-2.8
Kapadhetan
2.2 g / cm 3
2.2-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan