Properties of Gritstone lan Felsite
ukuran gandum
coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
Highly keropos
banget kurang keropos
cleavage
sampurna
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.250
2.6-2.7
Kapadhetan
2.2 g / cm 3
2.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan