Properties of Rhyodacite lan Gneiss
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
kurang keropos
banget kurang keropos
luster
greasy kanggo kurang
kurang
cleavage
ora kasedhiya
miskin
tartamtu gravitasi
2.34-2.40
2.5-2.7
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan