Properties of Slate lan Marble
ukuran gandum
banget nggoleki-grained
grained medium
rengat
splintery
ora kasedhiya
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
kurang keropos
luster
kurang
kurang kanggo mutiyara kanggo subvitreous
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.65-2.8
2.86-2.87
Kapadhetan
2.6-2.8 g / cm 3
2.4-2.7 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas