Properties of Basalt lan Flint
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
Highly keropos
luster
ora kasedhiya
vitreous
cleavage
ora kasedhiya
non-ana
tartamtu gravitasi
2.8-3
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.9-3.1 g / cm 3
2.7-2.71 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan