Apparently not, though, as [NightHawkInLight] reveals his trivially easy method for making synthetic rubies. Like their gemstone cousin the sapphire, rubies are just a variety of corundum ...

Monocrystal PLC is the biggest producer of synthetic sapphire crystals for industrial applications in the former USSR and offers a wide range of semi-finished sapphire products for final processors, ...

We use the Kyropoulos (Musatov) sapphire growth method, which allows us to produce high-quality sapphire parts in a wide variety of shapes, sizes, and orientations. We work with our customers to ...