Properties of Greywacke lan Marl
ukuran gandum
sudut lan nggoleki
banget nggoleki-grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
2.2-2.8
2.2-2.8
Kapadhetan
2.6-2.61 g / cm 3
2.4-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan