Properties of Picrite lan Dacite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
ora rata
conchoidal
tilas
putih, greenish putih utawa abu-abu
putih
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
2.75-2.92
2.86-2.87
Kapadhetan
1.5-2.5 g / cm 3
2.77-2.771 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan