Properties of Tachylite lan Gneiss
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
kurang keropos
banget kurang keropos
cleavage
ora kasedhiya
miskin
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
2.4
2.5-2.7
transparan
opaque
tembus kanggo opaque
Kapadhetan
3.058 g / cm 3
2.6-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan