Properties of Greywacke lan Charnockite
ukuran gandum
sudut lan nggoleki
coarse grained
rengat
conchoidal
ora kasedhiya
porosity
Highly keropos
banget kurang keropos
luster
kurang
ora kasedhiya
cleavage
sampurna
ora kasedhiya
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.2-2.8
ora Sumadhiya
Kapadhetan
2.6-2.61 g / cm 3
2.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, nyandhang tahan