Properties of Argillite lan Rhyodacite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal kanggo ora rata
conchoidal
tilas
putih kanggo werna abu-abu
ireng
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
slaty
ora kasedhiya
tartamtu gravitasi
2.56-2.68
2.34-2.40
Kapadhetan
2.54-2.66 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas