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