Properties of IJOLITE lan Anthracite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal kanggo ora rata
conchoidal
porosity
kurang keropos
kurang keropos
luster
greasy kanggo kurang
mengilap
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.76
1.1-1.4
Kapadhetan
2.6 g / cm 3
1.25-2.5 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, banyu tahan