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