Properties of Scoria lan Rhyolite
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
conchoidal
sub-conchoidal
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
earthy
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.65-2.67
Kapadhetan
ora Sumadhiya
2.4-2.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, nyandhang tahan