Properties of Hornfels lan Migmatite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
banget kurang keropos
luster
mengilap
kurang kanggo mutiyara kanggo subvitreous
kekuatan compressive
ora Sumadhiya
kateguhan
durung ketemu
1.2
tartamtu gravitasi
3.4-3.9
2.65-2.75
Kapadhetan
0.25-0.30 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan