Properties of Tuff lan Krikel
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
ora rata
ora kasedhiya
porosity
Highly keropos
Highly keropos
luster
vitreous kanggo kurang
kurang
cleavage
ora kasedhiya
slaty
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.73
2.2-2.8
Kapadhetan
1-1.8 g / cm 3
2.4-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan