HARD MASS EMERALD SYNTHETIC PEAR SHAPE CUT
Hardmass glass, manufactured using non-crystalline hydrothermal growth techniques of material.
Emerald color, as original stones tone from Africa.
Mohs hardness <5
Strong concoid fracture
Absent Exfoliation
To set carefully, both claw and rail.
The emerald HM cannot be used in the technique of wax setting for casting.