Properties of Slate lan Shonkinite
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
subvitreous kanggo kurang
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, impact tahan, nyandhang tahan