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 ...

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 ...

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, ...