Properties of Shonkinite lan Pantellerite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
ora kasedhiya
sub-conchoidal
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
earthy
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
conchoidal
kateguhan
ora kasedhiya
2
tartamtu gravitasi
2.6-2.7
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.8 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas