Is the filamentous inclusion visible to the naked eye in Myanmar starlight sapphire good?
The sericite inclusions in Myanmar starlight sapphire are visible to the naked eye. The more sericeous inclusions in Myanmar starlight sapphire, the higher the purity, the higher the brightness and the better the quality. Myanmar starlight sapphire produces starlight because it contains silky inclusions, and the polished convex sapphire will show six stars at the top.