Properties of Foidolite lan Pantellerite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
sub-conchoidal
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
earthy
cleavage
sampurna
conchoidal
kateguhan
ora kasedhiya
2
tartamtu gravitasi
2.86
ora Sumadhiya
transparan
tembus
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas, nyandhang tahan
tahan panas