Properties of Foidolite lan Trachyte
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora kasedhiya
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
metallic
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.86
2.7
Kapadhetan
ora Sumadhiya
2.43-2.45 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan, nyandhang tahan