Properties of Hornfels lan Troctolite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
mengilap
ora kasedhiya
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
1.6
tartamtu gravitasi
3.4-3.9
2.86-2.87
Kapadhetan
0.25-0.30 g / cm 3
2.7-3.3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
impact tahan, meksa tahan, nyandhang tahan