Properties of Theralite lan Slate
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
ora rata, splintery utawa conchoidal
splintery
tilas
putih
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.5-2.8
2.65-2.8
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
2.6-2.8 g / cm 3
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan