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