Properties of Comendite lan Basalt
ukuran gandum
grained medium
grained nggoleki
rengat
mrembet
conchoidal
tilas
bluish ireng
putih kanggo werna abu-abu
porosity
Highly keropos
kurang keropos
tartamtu gravitasi
2.38
2.8-3
Kapadhetan
-9999 g / cm 3
2.9-3.1 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan