Properties of Tephrite lan Rhyodacite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
ora rata
conchoidal
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
greasy kanggo kurang
cleavage
crenulation lan mrembet
ora kasedhiya
tartamtu gravitasi
2.86
2.34-2.40
Kapadhetan
2.8-2.9 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas