They named the jewel Fianit after the institute's name FIAN (Physical Institute of the Academy of Science), but the name was not used outside of the USSR.
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Later, Soviet scientists under V. V. Osiko at the Lebedev Physical Institute in Moscow perfected the technique, which was then named skull crucible (an allusion either to the shape of the water-cooled container or to the form of crystals sometimes grown).
Cubic crystal system | Cubic centimetre | cubic zirconia | Cubic Transportation Systems | cubic centimetre |
The Skull Crucible process was developed at the Lebedev Physical Institute in Moscow to manufacture cubic zirconia.