Properties of Scoria lan Pegmatite
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
subvitreous kanggo kurang
grainy, mutiyara lan vitreous
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
tartamtu gravitasi
ora Sumadhiya
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6-2.65 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan