1 Properties
1.1 fisik
1.1.1 atose
1.1.2 ukuran gandum
nggoleki grained medium
grained nggoleki
1.1.3 rengat
conchoidal
conchoidal kanggo ora rata
1.1.4 tilas
bluish ireng
putih kanggo werna abu-abu
1.1.5 porosity
kurang keropos
Highly keropos
1.1.6 luster
grainy, mutiyara lan vitreous
waxy lan kurang
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 Sumadhiya2.56-2.68
0
8.4
1.1.11 transparan
1.1.12 Kapadhetan
ora Sumadhiya2.54-2.66 g / cm 3
0
1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
ora Sumadhiya0.87 kj / kg k
0.14
3.2
1.2.2 resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan