Properties of Gritstone lan Tonalite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.250
2.86-3
Kapadhetan
2.2 g / cm 3
2.73 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, banyu tahan