1 Properties
1.1 fisik
1.1.1 atose
1.3.7 ukuran gandum
nggoleki grained medium
grained medium
1.3.8 rengat
1.3.9 tilas
bluish ireng
bluish ireng
1.3.10 porosity
kurang keropos
Highly keropos
1.3.11 luster
grainy, mutiyara lan vitreous
kurang
1.3.12 kekuatan compressive
ora Sumadhiya92.40 n / mm 2
0.15
450
1.3.13 cleavage
ora kasedhiya
ora kasedhiya
1.3.14 kateguhan
1.3.15 tartamtu gravitasi
1.3.16 transparan
1.3.17 Kapadhetan
ora Sumadhiyaora Sumadhiya
0
1400
1.4 situs termal
1.4.1 kapasitas panas tartamtu
ora Sumadhiyaora Sumadhiya
0.14
3.2
1.4.2 resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan