Properties of Tephrite lan Websterite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
tilas
bluish ireng
putih, greenish putih utawa abu-abu
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
kurang kanggo vitreous kanggo submetallic
kekuatan compressive
ora Sumadhiya
cleavage
crenulation lan mrembet
ora duwe aturan baku
kateguhan
2.4
ora kasedhiya
tartamtu gravitasi
2.86
3.2-3.5
Kapadhetan
2.8-2.9 g / cm 3
3.1-3.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
impact tahan, meksa tahan, nyandhang tahan