1 Properties
1.1 fisik
1.1.1 atose
1.1.2 ukuran gandum
grained nggoleki
nggoleki grained medium
1.1.3 rengat
ora duwe aturan baku
conchoidal
1.1.4 tilas
cahya kanggo coklat peteng
bluish ireng
1.1.5 porosity
kurang keropos
kurang keropos
1.1.6 luster
waxy lan kurang
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
1.1.11 transparan
1.1.12 Kapadhetan
2.8-2.9 g / cm 3ora Sumadhiya
0
1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.92 kj / kg kora Sumadhiya
0.14
3.2
1.2.2 resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan