Properties of Novaculite lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
porosity
kurang keropos
kurang keropos
luster
waxy lan kurang
vitreous kanggo metallic
tartamtu gravitasi
2.5-2.7
2.4-2.9
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas