Properties of Nephelinite lan Trachyte
ukuran gandum
grained nggoleki
grained nggoleki
rengat
flat
ora kasedhiya
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
metallic
cleavage
cacat
ora kasedhiya
kateguhan
2.7
ora kasedhiya
tartamtu gravitasi
2.4-2.9
2.7
Kapadhetan
2.5-3 g / cm 3
2.43-2.45 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, nyandhang tahan