Properties of Hornfels lan Taconite
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
Highly keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
kateguhan
durung ketemu
1.5
tartamtu gravitasi
3.4-3.9
5-5.3
transparan
opaque
tembus kanggo opaque
Kapadhetan
0.25-0.30 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan