Properties of Nephelinite lan Basanite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
flat
ora rata, splintery utawa conchoidal
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
waxy lan kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.4-2.9
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.5-3 g / cm 3
2.7 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan