Properties of Tephrite lan Theralite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
ora rata
ora rata, splintery utawa conchoidal
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
waxy lan kurang
kekuatan compressive
ora Sumadhiya
cleavage
crenulation lan mrembet
non-ana
tartamtu gravitasi
2.86
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
2.7 g / cm 3
resistance
tahan panas, impact tahan
impact tahan, meksa tahan, nyandhang tahan