Properties of Slate lan Granophyre
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
splintery
ora kasedhiya
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
kurang keropos
luster
kurang
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
cleavage
slaty
ora kasedhiya
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.65-2.8
2.6-2.7
Kapadhetan
2.6-2.8 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, nyandhang tahan