Properties of Anthracite lan Oolite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
mengilap
mutiyara kanggo mengilap
tartamtu gravitasi
1.1-1.4
-9999
Kapadhetan
1.25-2.5 g / cm 3
-9999 g / cm 3
resistance
tahan panas, banyu tahan
tahan panas, nyandhang tahan