Properties of Icelandite lan Argillite
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
ora rata
conchoidal kanggo ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
vitreous
waxy lan kurang
cleavage
ora kasedhiya
slaty
tartamtu gravitasi
2.5-2.8
2.56-2.68
Kapadhetan
2.11-2.36 g / cm 3
2.54-2.66 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan