Properties of Picrite lan Ignimbrite
ukuran gandum
grained nggoleki
grained nggoleki
tilas
putih, greenish putih utawa abu-abu
putih
porosity
kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
vitreous kanggo kurang
cleavage
cacat
ora kasedhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
2.75-2.92
2.73
Kapadhetan
1.5-2.5 g / cm 3
1-1.8 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan