1 Properties
1.1 fisik
1.1.1 atose
1.1.2 ukuran gandum
grained nggoleki
coarse grained
1.1.3 rengat
sub-conchoidal
conchoidal kanggo ora rata
1.1.4 tilas
dingerteni
cahya kanggo coklat peteng
1.1.5 porosity
kurang keropos
Highly keropos
1.1.6 luster
earthy
grainy, mutiyara lan vitreous
1.1.7 kekuatan compressive
ora Sumadhiyaora Sumadhiya
0.15
450
1.1.8 cleavage
1.1.9 kateguhan
1.1.10 tartamtu gravitasi
ora Sumadhiya4.3-5.0
0
8.4
1.1.11 transparan
tembus kanggo opaque
opaque
1.1.12 Kapadhetan
ora Sumadhiya2.2-2.35 g / cm 3
0
1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
ora Sumadhiya0.75 kj / kg k
0.14
3.2
1.2.2 resistance
tahan panas
tahan panas, impact tahan