Properties of Scoria lan Slate
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
splintery
tilas
putih
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
subvitreous kanggo kurang
kurang
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
ora Sumadhiya
2.65-2.8
Kapadhetan
ora Sumadhiya
2.6-2.8 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan