Properties of Minette lan Pantellerite
ukuran gandum
nggoleki kanggo coarse grained
grained nggoleki
rengat
conchoidal
sub-conchoidal
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
earthy
cleavage
conchoidal
conchoidal
kateguhan
ora kasedhiya
2
tartamtu gravitasi
2.86-2.87
ora Sumadhiya
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
2.95-2.96 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas