Properties of Scoria lan Kapur
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
ora kasedhiya
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang
cleavage
sampurna
non-ana
tartamtu gravitasi
ora Sumadhiya
2.3-2.4
Kapadhetan
ora Sumadhiya
2.49-2.50 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas