Properties of Slate lan Chert
ukuran gandum
banget nggoleki-grained
banget nggoleki-grained
rengat
splintery
ora rata, splintery utawa conchoidal
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
Highly keropos
luster
kurang
waxy lan kurang
tartamtu gravitasi
2.65-2.8
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.8 g / cm 3
2.7 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan