Properties of Nephelinite lan Hornfels
ukuran gandum
grained nggoleki
grained nggoleki
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
mengilap
kateguhan
2.7
durung ketemu
tartamtu gravitasi
2.4-2.9
3.4-3.9
Kapadhetan
2.5-3 g / cm 3
0.25-0.30 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan