Properties of Scoria lan Norite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
ora kasedhiya
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86-2.87
Kapadhetan
ora Sumadhiya
2.7-3.3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
impact tahan, meksa tahan, nyandhang tahan