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Most people know tanzanite for its rich violet-blue color, but every so often nature produces something completely unexpected. This 3.78 carat natural green and yellow tanzanite from the legendary Merelani Hills of Tanzania is one of those rare discoveries. Untreated and unlike the traditional heated blue material found throughout the market, this gemstone preserves its original crystal color, offering an earthy blend of olive green, golden yellow, and subtle champagne tones that shift beautifully as light moves across the surface.
What truly sets this gemstone apart is the custom "El Toro" cut. Inspired by the strength and symmetry of a bull's head, this precision design transforms the crystal into a sculptural work of art. Crisp geometric facets create dramatic reflections while emphasizing the stone's natural color zoning and architectural form. It's a cut that immediately stands apart from conventional gemstone shapes and speaks to collectors who appreciate artistry as much as rarity.
Natural unheated green tanzanite is exceptionally uncommon, making this gemstone a true collector's piece. Combined with its custom faceting and origin from the only known tanzanite deposit in the world, it represents an opportunity to own something few people will ever encounter. Whether displayed in a collection or transformed into a one-of-a-kind custom jewelry design, this gemstone is meant to be appreciated from every angle.