Properties of Pumice lan Taconite
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
planar
ora rata, splintery utawa conchoidal
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.86
5-5.3
transparan
opaque
tembus kanggo opaque
Kapadhetan
0.25-0.3 g / cm 3
ora Sumadhiya
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan