Properties of Scoria lan IJOLITE
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
conchoidal kanggo ora rata
porosity
Highly keropos
kurang keropos
luster
subvitreous kanggo kurang
greasy kanggo kurang
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.6-2.76
Kapadhetan
ora Sumadhiya
2.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, nyandhang tahan