Properties of Pantellerite lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
sub-conchoidal
conchoidal
tilas
dingerteni
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
cleavage
conchoidal
ora kasedhiya
kateguhan
2
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.0
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan