Properties of Variolite lan Basanite
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
ora rata, splintery utawa conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
Highly keropos
luster
ora kasedhiya
waxy lan kurang
kekuatan compressive
ora Sumadhiya
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 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan