Properties of Porphyry lan Rhyodacite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora duwe aturan baku
conchoidal
porosity
kurang keropos
kurang keropos
luster
kurang
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
cacat
ora kasedhiya
tartamtu gravitasi
2.5-4
2.34-2.40
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.5-2.52 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas