Properties of Scoria lan Coquina
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang kanggo vitreous kanggo submetallic
cleavage
sampurna
ora kasedhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
1.10-2.24
Kapadhetan
ora Sumadhiya
2.8-2.9 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan