Properties of Nephelinite lan Travertine
ukuran gandum
grained nggoleki
grained nggoleki
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
kurang kanggo pearly
tartamtu gravitasi
2.4-2.9
1.68
Kapadhetan
2.5-3 g / cm 3
2.71 g / cm 3
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan