Properties of Nephelinite lan Andesit
ukuran gandum
grained nggoleki
banget nggoleki-grained
porosity
kurang keropos
kurang keropos
luster
vitreous kanggo metallic
vitreous
cleavage
cacat
ora kasedhiya
tartamtu gravitasi
2.4-2.9
2.5-2.8
Kapadhetan
2.5-3 g / cm 3
2.11-2.36 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan