Properties of Theralite lan Trachyte
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora rata, splintery utawa conchoidal
ora kasedhiya
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
metallic
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
ora kasedhiya
kateguhan
1.5
ora kasedhiya
tartamtu gravitasi
2.5-2.8
2.7
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7 g / cm 3
2.43-2.45 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, nyandhang tahan