1 Properties
1.1 fisik
1.1.1 atose
1.1.2 ukuran gandum
grained medium
banget nggoleki-grained
1.1.3 rengat
1.1.4 tilas
bluish ireng
cahya kanggo coklat peteng
1.1.5 porosity
Highly keropos
kurang keropos
1.1.6 luster
1.1.7 kekuatan compressive
92.40 n / mm 260.00 n / mm 2
0.15
450
1.1.8 cleavage
ora kasedhiya
ora duwe aturan baku
1.1.9 kateguhan
1.1.10 tartamtu gravitasi
1.1.11 transparan
opaque
transparent kanggo Translucent
1.1.12 Kapadhetan
ora Sumadhiya2.7-2.9 g / cm 3
0
1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
ora Sumadhiya0.92 kj / kg k
0.14
3.2
1.2.2 resistance
tahan panas, impact tahan
tahan panas