Properties of Slate lan Taconite
ukuran gandum
banget nggoleki-grained
gedhe lan coarse grained
rengat
splintery
ora rata, splintery utawa conchoidal
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.65-2.8
5-5.3
transparan
opaque
tembus kanggo opaque
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, nyandhang tahan