Properties of Comendite lan Chert
ukuran gandum
grained medium
banget nggoleki-grained
rengat
mrembet
ora rata, splintery utawa conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang
waxy lan kurang
tartamtu gravitasi
2.38
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
-9999 g / cm 3
2.7 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan