Properties of JASPEROID lan Anthracite
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
vitreous lan mutiyara
mengilap
tartamtu gravitasi
2.8-3
1.1-1.4
transparan
transparent kanggo Translucent
opaque
Kapadhetan
2.8-2.9 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, banyu tahan