Properties of Nephelinite lan Tephrite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
porosity
kurang keropos
banget kurang keropos
luster
vitreous kanggo metallic
subvitreous kanggo kurang
cleavage
cacat
crenulation lan mrembet
tartamtu gravitasi
2.4-2.9
2.86
Kapadhetan
2.5-3 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas
tahan panas, impact tahan