Properties of Flint lan Eclogite
ukuran gandum
banget nggoleki-grained
grained nggoleki
porosity
Highly keropos
kurang keropos
luster
vitreous
subvitreous kanggo kurang
tartamtu gravitasi
2.5-2.8
2.86-2.87
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7-2.71 g / cm 3
3.2-3.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas