Properties of Picrite lan Trachyte
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora rata
ora kasedhiya
tilas
putih, greenish putih utawa abu-abu
putih
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
metallic
cleavage
cacat
ora kasedhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
2.75-2.92
2.7
Kapadhetan
1.5-2.5 g / cm 3
2.43-2.45 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, nyandhang tahan