Properties of Tephrite lan Pantellerite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
ora rata
sub-conchoidal
tilas
bluish ireng
dingerteni
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
earthy
kekuatan compressive
ora Sumadhiya
cleavage
crenulation lan mrembet
conchoidal
tartamtu gravitasi
2.86
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas