Properties of Trachyte lan Variolite
ukuran gandum
grained nggoleki
ora ditrapake
rengat
ora kasedhiya
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
kurang keropos
luster
metallic
ora kasedhiya
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
ora kasedhiya
2.3
tartamtu gravitasi
2.7
2.8-3
Kapadhetan
2.43-2.45 g / cm 3
2.9-3.1 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, meksa tahan, nyandhang tahan