Properties of Icelandite lan Picrite
ukuran gandum
banget nggoleki-grained
grained nggoleki
tilas
putih
putih, greenish putih utawa abu-abu
porosity
kurang keropos
kurang keropos
luster
vitreous
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.5-2.8
2.75-2.92
Kapadhetan
2.11-2.36 g / cm 3
1.5-2.5 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas