Properties of Rapakivi Granit lan Pegmatite
ukuran gandum
gedhe lan coarse grained
medium kanggo coarse grained
rengat
ora kasedhiya
conchoidal
porosity
kurang keropos
kurang keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
grainy, mutiyara lan vitreous
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.6-2.7
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.8 g / cm 3
2.6-2.65 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan, meksa tahan