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