Properties of Phonolite lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
conchoidal kanggo ora rata
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
greasy kanggo kurang
metallic
kekuatan compressive
ora Sumadhiya
cleavage
miskin
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6
2.0
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan