Properties of Greywacke lan Troctolite
ukuran gandum
sudut lan nggoleki
coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang
ora kasedhiya
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
2.2-2.8
2.86-2.87
Kapadhetan
2.6-2.61 g / cm 3
2.7-3.3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
impact tahan, meksa tahan, nyandhang tahan