Properties of Tephrite lan Felsite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
ora rata
conchoidal
porosity
banget kurang keropos
banget kurang keropos
luster
subvitreous kanggo kurang
vitreous
cleavage
crenulation lan mrembet
non-ana
kateguhan
2.4
ora kasedhiya
tartamtu gravitasi
2.86
2.6-2.7
Kapadhetan
2.8-2.9 g / cm 3
2.6 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan