Properties of Hornfels lan Pantellerite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
sub-conchoidal
tilas
dingerteni
dingerteni
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
conchoidal
kateguhan
durung ketemu
2
tartamtu gravitasi
3.4-3.9
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
0.25-0.30 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas