Properties of Nephelinite lan Alkali Feldspar Granit
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
flat
ora kasedhiya
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
cleavage
cacat
ora kasedhiya
kateguhan
2.7
ora kasedhiya
tartamtu gravitasi
2.4-2.9
2.6-2.7
Kapadhetan
2.5-3 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas
tahan panas, nyandhang tahan