Properties of Nephelinite lan Novaculite
ukuran gandum
grained nggoleki
grained nggoleki
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
waxy lan kurang
tartamtu gravitasi
2.4-2.9
2.5-2.7
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