Properties of Skarn lan Pumice
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora duwe aturan baku
planar
tilas
cahya kanggo coklat peteng
putih, greenish putih utawa abu-abu
porosity
kurang keropos
Highly keropos
luster
waxy lan kurang
earthy
kekuatan compressive
ora Sumadhiya
tartamtu gravitasi
2.86
2.86
Kapadhetan
2.8-2.9 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas
impact tahan, meksa tahan