Properties of Tuff lan Krikel Minyak
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
ora rata
ora kasedhiya
porosity
Highly keropos
Highly keropos
luster
vitreous kanggo kurang
kurang
kekuatan compressive
ora Sumadhiya
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