Properties of Greywacke lan Shoshonite
ukuran gandum
sudut lan nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
Highly keropos
kurang keropos
tartamtu gravitasi
2.2-2.8
2.98
Kapadhetan
2.6-2.61 g / cm 3
2.9-3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan