Properties of Rhyodacite lan Obsidian
ukuran gandum
grained nggoleki
ora ditrapake
rengat
conchoidal
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
greasy kanggo kurang
vitreous
cleavage
ora kasedhiya
non-ana
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
2.34-2.40
2.6-2.7
Kapadhetan
ora Sumadhiya
2.6 g / cm 3
resistance
tahan panas
tahan panas, impact tahan