Properties of Argillite lan Pantellerite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal kanggo ora rata
sub-conchoidal
tilas
putih kanggo werna abu-abu
dingerteni
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
earthy
cleavage
slaty
conchoidal
tartamtu gravitasi
2.56-2.68
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.54-2.66 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas