Properties of Krikel lan Slate
ukuran gandum
banget nggoleki-grained
banget nggoleki-grained
rengat
ora kasedhiya
splintery
tilas
putih
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
tartamtu gravitasi
2.2-2.8
2.65-2.8
Kapadhetan
2.4-2.8 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan