Properties of Basalt lan Quartzite
ukuran gandum
grained nggoleki
grained medium
rengat
conchoidal
ora rata, splintery utawa conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
kurang keropos
luster
ora kasedhiya
vitreous
cleavage
ora kasedhiya
indiscernible
tartamtu gravitasi
2.8-3
2.6-2.8
transparan
opaque
transparent kanggo Translucent
Kapadhetan
2.9-3.1 g / cm 3
2.32-2.42 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan