Properties of Greywacke lan Pegmatite
ukuran gandum
sudut lan nggoleki
medium kanggo coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang
grainy, mutiyara lan vitreous
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
tartamtu gravitasi
2.2-2.8
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.61 g / cm 3
2.6-2.65 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan