Properties of Nephelinite lan Websterite
ukuran gandum
grained nggoleki
coarse grained
tilas
putih
putih, greenish putih utawa abu-abu
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
kurang kanggo vitreous kanggo submetallic
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora duwe aturan baku
kateguhan
2.7
ora kasedhiya
tartamtu gravitasi
2.4-2.9
3.2-3.5
Kapadhetan
2.5-3 g / cm 3
3.1-3.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan