Properties of Slate lan Gossan
ukuran gandum
banget nggoleki-grained
nggoleki grained medium
rengat
splintery
conchoidal
tilas
cahya kanggo coklat peteng
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
cleavage
slaty
ora kasedhiya
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.65-2.8
2.0
Kapadhetan
2.6-2.8 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan