Properties of Granit lan Obsidian
Properties
fisik
atose
6-7
5-5.5
ukuran gandum
gedhe lan coarse grained
ora ditrapake
rengat
ora kasedhiya
conchoidal
tilas
putih
putih
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
vitreous
kekuatan compressive
175.00 n / mm 2
13
0.15 n / mm 2
33
cleavage
ora kasedhiya
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
2.6-2.7
transparan
opaque
tembus
Kapadhetan
2.65-2.75 g / cm 3
2.6 g / cm 3
situs termal
kapasitas panas tartamtu
0.79 kj / kg k
16
0.92 kj / kg k
10
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan
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