Properties of Tachylite lan Tephrite
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
.Bangunan
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
resinous
subvitreous kanggo kurang
cleavage
ora kasedhiya
crenulation lan mrembet
kateguhan
ora kasedhiya
2.4
tartamtu gravitasi
2.4
2.86
Kapadhetan
3.058 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan