Properties of Tephrite lan Flint
ukuran gandum
medium kanggo nggoleki coarse grained
banget nggoleki-grained
rengat
ora rata
conchoidal
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
vitreous
cleavage
crenulation lan mrembet
non-ana
tartamtu gravitasi
2.86
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
2.7-2.71 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan