Properties of Picrite lan Comendite
ukuran gandum
grained nggoleki
grained medium
tilas
putih, greenish putih utawa abu-abu
bluish ireng
porosity
kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang
tartamtu gravitasi
2.75-2.92
2.38
Kapadhetan
1.5-2.5 g / cm 3
-9999 g / cm 3
resistance
tahan panas
tahan panas, impact tahan