Properties of Slate lan Pantellerite
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
splintery
sub-conchoidal
tilas
cahya kanggo coklat peteng
dingerteni
porosity
kurang keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
slaty
conchoidal
tartamtu gravitasi
2.65-2.8
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.8 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas