Properties of Icelandite lan Nephelinite
ukuran gandum
banget nggoleki-grained
grained nggoleki
porosity
kurang keropos
kurang keropos
luster
vitreous
vitreous kanggo metallic
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.5-2.8
2.4-2.9
Kapadhetan
2.11-2.36 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas