Properties of Nephelinite lan Trondhjemite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
porosity
kurang keropos
banget kurang keropos
luster
vitreous kanggo metallic
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
tartamtu gravitasi
2.4-2.9
2.86-3
Kapadhetan
2.5-3 g / cm 3
2.73 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan