Properties of Trachyte lan Comendite
ukuran gandum
grained nggoleki
grained medium
rengat
ora kasedhiya
mrembet
porosity
kurang keropos
Highly keropos
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
ora kasedhiya
2
tartamtu gravitasi
2.7
2.38
Kapadhetan
2.43-2.45 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan