2.88ct Hackmanite DXBCS4663

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A natural hackmanite gemstone weighing 2.88 carats, prized for its rare and fascinating tenebrescence—a reversible color-change property where the stone shifts from soft pastel ton es to deeper, more vivid hues when exposed to UV light or sunlight, then gradually returns to its original color. This well-sized gem offers strong presence and versatility for custom jewelry designs such as statement rings, pendants, or collector pieces. Its subtle translucency and unique optical behavior give it a distinctive and engaging visual character. A rare and collectible gemstone combining scientific intrigue, natural beauty, and elegant appeal. Show more