Properties of Pantellerite lan Scoria
ukuran gandum
grained nggoleki
grained nggoleki
rengat
sub-conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
earthy
subvitreous kanggo kurang
cleavage
conchoidal
sampurna
tartamtu gravitasi
ora Sumadhiya
ora Sumadhiya
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan