Properties of Krikel lan Mangerite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
ora kasedhiya
ora kasedhiya
porosity
Highly keropos
kurang keropos
luster
kurang
subvitreous kanggo kurang
cleavage
slaty
ora kasedhiya
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.2-2.8
2.8-3
Kapadhetan
2.4-2.8 g / cm 3
2.9-2.91 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan