Properties of Tephrite lan Quartzite
ukuran gandum
medium kanggo nggoleki coarse grained
grained medium
rengat
ora rata
ora rata, splintery utawa conchoidal
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
vitreous
cleavage
crenulation lan mrembet
indiscernible
tartamtu gravitasi
2.86
2.6-2.8
transparan
opaque
transparent kanggo Translucent
Kapadhetan
2.8-2.9 g / cm 3
2.32-2.42 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan