Properties of Argillite lan Lamprophyre
ukuran gandum
grained nggoleki
nggoleki kanggo coarse grained
rengat
conchoidal kanggo ora rata
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
Highly keropos
banget kurang keropos
luster
waxy lan kurang
subvitreous kanggo kurang
cleavage
slaty
conchoidal
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.56-2.68
2.86-2.87
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.54-2.66 g / cm 3
2.95-2.96 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan