Properties of Argillite lan Slate
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal kanggo ora rata
splintery
tilas
putih kanggo werna abu-abu
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.56-2.68
2.65-2.8
Kapadhetan
2.54-2.66 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan