Properties of Sovite lan Anthracite
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
mengilap
tartamtu gravitasi
2.86-2.87
1.1-1.4
Kapadhetan
2.84-2.86 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas, meksa tahan
tahan panas, banyu tahan