Properties of Nephelinite lan Pumice
ukuran gandum
grained nggoleki
grained nggoleki
tilas
putih
putih, greenish putih utawa abu-abu
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
earthy
tartamtu gravitasi
2.4-2.9
2.86
Kapadhetan
2.5-3 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas
impact tahan, meksa tahan