1 Properties
1.1 fisik
1.1.1 atose
1.1.2 ukuran gandum
coarse grained
grained medium
1.1.3 rengat
conchoidal kanggo ora rata
mrembet
1.1.4 tilas
cahya kanggo coklat peteng
bluish ireng
1.1.5 porosity
Highly keropos
Highly keropos
1.1.6 luster
grainy, mutiyara lan vitreous
kurang
1.1.7 kekuatan compressive
ora Sumadhiya92.40 n / mm 2
0.15
450
1.1.8 cleavage
ora kasedhiya
ora kasedhiya
1.1.9 kateguhan
1.1.10 tartamtu gravitasi
1.1.11 transparan
1.1.12 Kapadhetan
2.2-2.35 g / cm 3ora Sumadhiya
0
1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.75 kj / kg kora Sumadhiya
0.14
3.2
1.2.2 resistance
tahan panas, impact tahan
tahan panas, impact tahan