Ceylon Sapphire | natural bi-color blue crystal, uncut raw sapphire, mineral specimen from Sri LankaCeylon sapphires in their uncut form, are a striking testament to Sri Lankas rich gemological heritage. These rough sapphires often appear as translucent, irregularly shaped crystals with varying hues of blue, yellow, or lighter shades of green or violet. Unlike polished stones, uncut Ceylon sapphires reveal their natural crystal structure, surface textures, and occasional inclusions, which give insight into their geological formation over millions of