Properties of Dacite lan Porphyry
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora duwe aturan baku
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
kurang
kateguhan
ora kasedhiya
1.7
tartamtu gravitasi
2.86-2.87
2.5-4
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.77-2.771 g / cm 3
2.5-2.52 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan