Properties of Comendite lan Slate
ukuran gandum
grained medium
banget nggoleki-grained
tilas
bluish ireng
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
tartamtu gravitasi
2.38
2.65-2.8
Kapadhetan
-9999 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan