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