Properties of Tephrite lan Pyrolite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
rengat
ora rata
ora duwe aturan baku
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
mengilap
cleavage
crenulation lan mrembet
cacat
tartamtu gravitasi
2.86
3-3.01
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
3.1-3.4 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan