Properties of Pseudotachylite lan Obsidian
ukuran gandum
banget nggoleki-grained
ora ditrapake
rengat
ora rata
conchoidal
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
banget kurang keropos
cleavage
ora duwe aturan baku
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.46-2.86
2.6-2.7
transparan
transparent kanggo Translucent
tembus
Kapadhetan
2.7-2.9 g / cm 3
2.6 g / cm 3
resistance
tahan panas
tahan panas, impact tahan