Properties of Skarn lan Gritstone
ukuran gandum
grained nggoleki
coarse grained
rengat
ora duwe aturan baku
conchoidal
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
Highly keropos
luster
waxy lan kurang
kurang
kekuatan compressive
ora Sumadhiya
kateguhan
2.4
ora kasedhiya
tartamtu gravitasi
2.86
2.250
Kapadhetan
2.8-2.9 g / cm 3
2.2 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan