Properties of Nephelinite lan Quartzite
ukuran gandum
grained nggoleki
grained medium
rengat
flat
ora rata, splintery utawa conchoidal
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
vitreous
cleavage
cacat
indiscernible
tartamtu gravitasi
2.4-2.9
2.6-2.8
transparan
opaque
transparent kanggo Translucent
Kapadhetan
2.5-3 g / cm 3
2.32-2.42 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan