Properties of Argillite lan Picrite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal kanggo ora rata
ora rata
tilas
putih kanggo werna abu-abu
putih, greenish putih utawa abu-abu
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.56-2.68
2.75-2.92
Kapadhetan
2.54-2.66 g / cm 3
1.5-2.5 g / cm 3
resistance
tahan panas, impact tahan
tahan panas