Properties of Krikel lan Phonolite
ukuran gandum
banget nggoleki-grained
grained nggoleki
rengat
ora kasedhiya
conchoidal kanggo ora rata
porosity
Highly keropos
kurang keropos
luster
kurang
greasy kanggo kurang
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.2-2.8
2.6
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.4-2.8 g / cm 3
2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan