Properties of Hornfels lan Rhyodacite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
mengilap
greasy kanggo kurang
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
2.1
tartamtu gravitasi
3.4-3.9
2.34-2.40
Kapadhetan
0.25-0.30 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas