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