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