Properties of Novaculite lan Tachylite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
waxy lan kurang
resinous
cleavage
non-ana
ora kasedhiya
kateguhan
1.5
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.4
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
3.058 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, nyandhang tahan