Properties of Hornfels lan Argillite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
conchoidal kanggo ora rata
tilas
dingerteni
putih kanggo werna abu-abu
porosity
Highly keropos
Highly keropos
luster
mengilap
waxy lan kurang
kekuatan compressive
ora Sumadhiya
kateguhan
durung ketemu
2.6
tartamtu gravitasi
3.4-3.9
2.56-2.68
Kapadhetan
0.25-0.30 g / cm 3
2.54-2.66 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan