ukuran gandum
medium kanggo nggoleki coarse grained
sudut lan nggoleki
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.86-2.99
2.2-2.8
Kapadhetan
2.8-2.9 g / cm 3
2.6-2.61 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan
tahan panas, impact tahan, meksa tahan