Properties of Slate lan Skarn
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
splintery
ora duwe aturan baku
tilas
cahya kanggo coklat peteng
cahya kanggo coklat peteng
porosity
kurang keropos
kurang keropos
luster
kurang
waxy lan kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.65-2.8
2.86
Kapadhetan
2.6-2.8 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas