Properties of Phonolite lan Whiteschist
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
conchoidal kanggo ora rata
conchoidal
porosity
kurang keropos
kurang keropos
luster
greasy kanggo kurang
subvitreous kanggo kurang
kateguhan
ora kasedhiya
1
tartamtu gravitasi
2.6
2.86
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas