Properties of Comendite lan Trachyte
ukuran gandum
grained medium
grained nggoleki
porosity
Highly keropos
kurang keropos
tartamtu gravitasi
2.38
2.7
Kapadhetan
-9999 g / cm 3
2.43-2.45 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan