Properties of Picrite lan Trachyandesite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora rata
conchoidal
tilas
putih, greenish putih utawa abu-abu
cahya kanggo coklat peteng
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
earthy
tartamtu gravitasi
2.75-2.92
2.8-3
Kapadhetan
1.5-2.5 g / cm 3
2.9-3.1 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan