Properties of Tephrite lan Rhyolite
ukuran gandum
medium kanggo nggoleki coarse grained
gedhe lan coarse grained
rengat
ora rata
sub-conchoidal
tilas
bluish ireng
wernane
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
earthy
cleavage
crenulation lan mrembet
ora kasedhiya
tartamtu gravitasi
2.86
2.65-2.67
Kapadhetan
2.8-2.9 g / cm 3
2.4-2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, nyandhang tahan