Properties of Nephelinite lan Trachyandesite
ukuran gandum
grained nggoleki
grained nggoleki
tilas
putih
cahya kanggo coklat peteng
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
earthy
tartamtu gravitasi
2.4-2.9
2.8-3
Kapadhetan
2.5-3 g / cm 3
2.9-3.1 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan