Properties of Scoria lan Suevite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora rata
tilas
putih
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
subvitreous kanggo kurang
earthy
cleavage
sampurna
ora duwe aturan baku
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86
Kapadhetan
ora Sumadhiya
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas