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