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