Properties of Nephelinite lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
metallic
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
kateguhan
2.7
ora kasedhiya
tartamtu gravitasi
2.4-2.9
2.0
Kapadhetan
2.5-3 g / cm 3
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan