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