Properties of Rhyodacite lan Variolite
ukuran gandum
grained nggoleki
ora ditrapake
rengat
conchoidal
conchoidal
tilas
ireng
putih kanggo werna abu-abu
porosity
kurang keropos
kurang keropos
luster
greasy kanggo kurang
ora kasedhiya
cleavage
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.34-2.40
2.8-3
Kapadhetan
ora Sumadhiya
2.9-3.1 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan