Properties of Siltstone lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
porosity
Highly keropos
kurang keropos
luster
kurang
vitreous kanggo metallic
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.54-2.73
2.4-2.9
Kapadhetan
2.6-2.7 g / cm 3
2.5-3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
tahan panas