Properties of Rapakivi Granit lan Pumice
ukuran gandum
gedhe lan coarse grained
grained nggoleki
rengat
ora kasedhiya
planar
tilas
putih
putih, greenish putih utawa abu-abu
porosity
kurang keropos
Highly keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
earthy
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
3
tartamtu gravitasi
2.6-2.7
2.86
Kapadhetan
2.6-2.8 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas, nyandhang tahan
impact tahan, meksa tahan