Properties of Rapakivi Granit lan Gossan
ukuran gandum
gedhe lan coarse grained
nggoleki grained medium
rengat
ora kasedhiya
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
metallic
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
2.0
Kapadhetan
2.6-2.8 g / cm 3
ora Sumadhiya
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan, meksa tahan