Properties of Picrite lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
tilas
putih, greenish putih utawa abu-abu
putih
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
vitreous kanggo metallic
tartamtu gravitasi
2.75-2.92
2.4-2.9
Kapadhetan
1.5-2.5 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas
tahan panas