Properties of Scoria lan Breccia
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
conchoidal
ora rata
porosity
Highly keropos
kurang keropos
luster
subvitreous kanggo kurang
kurang kanggo pearly
cleavage
sampurna
non-ana
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86-2.87
Kapadhetan
ora Sumadhiya
0 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan