Properties of Tachylite lan Itacolumite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse utawa nggoleki
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.4
2.2-2.8
Kapadhetan
3.058 g / cm 3
2.2-2.8 g / cm 3
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan