Properties of Tephrite lan Tuff
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
vitreous kanggo kurang
cleavage
crenulation lan mrembet
ora kasedhiya
kateguhan
2.4
ora kasedhiya
tartamtu gravitasi
2.86
2.73
Kapadhetan
2.8-2.9 g / cm 3
1-1.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan