Properties of Basalt lan Hornfels
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
conchoidal
tilas
putih kanggo werna abu-abu
dingerteni
porosity
kurang keropos
Highly keropos
luster
ora kasedhiya
mengilap
cleavage
ora kasedhiya
sampurna
kateguhan
2.3
durung ketemu
tartamtu gravitasi
2.8-3
3.4-3.9
Kapadhetan
2.9-3.1 g / cm 3
0.25-0.30 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan