Properties of Nephelinite lan Argillite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
flat
conchoidal kanggo ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
vitreous kanggo metallic
waxy lan kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.4-2.9
2.56-2.68
Kapadhetan
2.5-3 g / cm 3
2.54-2.66 g / cm 3
resistance
tahan panas
tahan panas, impact tahan