Properties of Slate lan Wehrlite
ukuran gandum
banget nggoleki-grained
coarse grained
rengat
splintery
ora duwe aturan baku
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.65-2.8
8.4
Kapadhetan
2.6-2.8 g / cm 3
2.6-3.7 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan