Properties of Comendite lan Dacite
ukuran gandum
grained medium
medium kanggo nggoleki coarse grained
rengat
mrembet
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang
subvitreous kanggo kurang
tartamtu gravitasi
2.38
2.86-2.87
Kapadhetan
-9999 g / cm 3
2.77-2.771 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan