Properties of Tachylite lan Picrite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora rata
tilas
.Bangunan
putih, greenish putih utawa abu-abu
porosity
kurang keropos
kurang keropos
luster
resinous
subvitreous kanggo kurang
cleavage
ora kasedhiya
cacat
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.4
2.75-2.92
Kapadhetan
3.058 g / cm 3
1.5-2.5 g / cm 3
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas