Properties of Basalt lan Dacite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
kurang keropos
luster
ora kasedhiya
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
sampurna
kateguhan
2.3
ora kasedhiya
tartamtu gravitasi
2.8-3
2.86-2.87
Kapadhetan
2.9-3.1 g / cm 3
2.77-2.771 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan