Properties of Gritstone lan Migmatite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
banget kurang keropos
luster
kurang
kurang kanggo mutiyara kanggo subvitreous
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
2.250
2.65-2.75
Kapadhetan
2.2 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan