Properties of Greywacke lan Adakite
ukuran gandum
sudut lan nggoleki
nggoleki grained medium
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang
grainy, mutiyara lan vitreous
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
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, nyandhang tahan