Properties of Argillite lan Wehrlite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal kanggo ora rata
ora duwe aturan baku
tilas
putih kanggo werna abu-abu
putih
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
metallic
tartamtu gravitasi
2.56-2.68
8.4
Kapadhetan
2.54-2.66 g / cm 3
2.6-3.7 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan