Properties of Trachyte lan Tephrite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
ora kasedhiya
ora rata
porosity
kurang keropos
banget kurang keropos
luster
metallic
subvitreous kanggo kurang
cleavage
ora kasedhiya
crenulation lan mrembet
kateguhan
ora kasedhiya
2.4
tartamtu gravitasi
2.7
2.86
Kapadhetan
2.43-2.45 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan