Properties of Tephrite lan Phyllite
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
ora rata
conchoidal
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
phyllitic
cleavage
crenulation lan mrembet
crenulation lan mrembet
tartamtu gravitasi
2.86
2.72-2.73
Kapadhetan
2.8-2.9 g / cm 3
2.18-3.3 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, banyu tahan