Properties of Rhyodacite lan Picrite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
ora rata
tilas
ireng
putih, greenish putih utawa abu-abu
porosity
kurang keropos
kurang keropos
luster
greasy kanggo kurang
subvitreous kanggo kurang
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.34-2.40
2.75-2.92
Kapadhetan
ora Sumadhiya
1.5-2.5 g / cm 3
resistance
tahan panas
tahan panas