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