Properties of Argillite lan Mudstone
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal kanggo ora rata
ora kasedhiya
tilas
putih kanggo werna abu-abu
putih
porosity
Highly keropos
Highly keropos
luster
waxy lan kurang
kurang
tartamtu gravitasi
2.56-2.68
2.2-2.8
Kapadhetan
2.54-2.66 g / cm 3
2.4-2.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan