Properties of Pantellerite lan Greywacke
ukuran gandum
grained nggoleki
sudut lan nggoleki
rengat
sub-conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
cleavage
conchoidal
sampurna
tartamtu gravitasi
ora Sumadhiya
2.2-2.8
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
2.6-2.61 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan