Properties of Hornfels lan Rhyolite
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
conchoidal
sub-conchoidal
porosity
Highly keropos
Highly keropos
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
2
tartamtu gravitasi
3.4-3.9
2.65-2.67
Kapadhetan
0.25-0.30 g / cm 3
2.4-2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, nyandhang tahan