Properties of Greywacke lan Scoria
ukuran gandum
sudut lan nggoleki
grained nggoleki
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang
subvitreous kanggo kurang
cleavage
sampurna
sampurna
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, impact tahan, meksa tahan, nyandhang tahan