exquisite closeup of polished tanzanite gemstone with crisp facets and vibrant blue hues

tanzanite gemstone polished closeup blue violet facets jewelry clarity brilliance white surface reflection elegant luxury gem crystal precious stone radiant design mineral macro sparkle cut transparent beautiful light detail gemology vibrant natural glossy sharp refined artistic highquality pristine jewel classic unique treasure decorative lustrous valuable shimmering optical balanced masterpiece smooth shine rare expensive gift object glamour craft collector focus flawless intricate ai generated