Properties of Nephelinite lan Teschenite
ukuran gandum
grained nggoleki
coarse grained
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
ora kasedhiya
cleavage
cacat
ora kasedhiya
tartamtu gravitasi
2.4-2.9
2.86-2.87
Kapadhetan
2.5-3 g / cm 3
2.7-3.3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan