Properties of Theralite lan Argillite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora rata, splintery utawa conchoidal
conchoidal kanggo ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
Highly keropos
Highly keropos
luster
waxy lan kurang
waxy lan kurang
tartamtu gravitasi
2.5-2.8
2.56-2.68
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
2.54-2.66 g / cm 3
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan