Properties of Nephelinite lan Greywacke
ukuran gandum
grained nggoleki
sudut lan nggoleki
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.4-2.9
2.2-2.8
Kapadhetan
2.5-3 g / cm 3
2.6-2.61 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan