Properties of Basalt lan Pegmatite
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
conchoidal
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
kurang keropos
luster
-
grainy, mutiyara lan vitreous
tartamtu gravitasi
2.8-3
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.9-3.1 g / cm 3
2.6-2.65 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan