Properties of Hornfels lan Charnockite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora kasedhiya
porosity
Highly keropos
banget kurang keropos
luster
mengilap
ora kasedhiya
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
ora kasedhiya
tartamtu gravitasi
3.4-3.9
ora Sumadhiya
Kapadhetan
0.25-0.30 g / cm 3
2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, nyandhang tahan