Properties of Chert lan Tephrite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
ora rata, splintery utawa conchoidal
ora rata
porosity
Highly keropos
banget kurang keropos
luster
waxy lan kurang
subvitreous kanggo kurang
cleavage
non-ana
crenulation lan mrembet
tartamtu gravitasi
2.5-2.8
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