Properties of Chert lan Picrite
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
ora rata, splintery utawa conchoidal
ora rata
tilas
putih
putih, greenish putih utawa abu-abu
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
subvitreous kanggo kurang
tartamtu gravitasi
2.5-2.8
2.75-2.92
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
1.5-2.5 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas