Where is alexanders jewel in resident evil code veronica?

In "Resident Evil Code: Veronica," Alexander's Jewel is located in the final area of the game, specifically within the Antarctic facility. You can find it inside a glass case in the laboratory section after acquiring the necessary items to access it. The jewel is part of the puzzle to unlock the final areas and progress through the game's story. Make sure to check your inventory and solve any related puzzles to obtain it.