Properties of Aplite lan Batubara
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
porosity
kurang keropos
kurang keropos
luster
kurang kanggo mutiyara kanggo subvitreous
kurang kanggo vitreous kanggo submetallic
tartamtu gravitasi
2.6
1.1-1.4
Kapadhetan
2.6 g / cm 3
1100-1400 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas