One-of-a-Kind Flourite Quartz, Tanzanite and Sapphire Pendant
Crafted in-house, this one-of-a-kind necklace showcases a rare 17.39ct quartz with captivating blue fluorite inclusions, most commonly found in regions like Brazil, and Madagascar. Accented by a stunning 3.75ct purpleish-royal blue tanzanite, six vibrant 2mm blue sapphires, and eleven round brilliant cut, earth-mined diamonds totaling 0.40ctw, this pendant is expertly set in 14K white gold. Finished with an 18" multi-strand steel cable, this handcrafted piece combines exceptional rarity and modern elegance. A true collector’s item.
A Croft & Stern Original
Designed by Kelly Sternau
Crafted in-house, this one-of-a-kind necklace showcases a rare 17.39ct quartz with captivating blue fluorite inclusions, most commonly found in regions like Brazil, and Madagascar. Accented by a stunning 3.75ct purpleish-royal blue tanzanite, six vibrant 2mm blue sapphires, and eleven round brilliant cut, earth-mined diamonds totaling 0.40ctw, this pendant is expertly set in 14K white gold. Finished with an 18" multi-strand steel cable, this handcrafted piece combines exceptional rarity and modern elegance. A true collector’s item.
A Croft & Stern Original
Designed by Kelly Sternau
Crafted in-house, this one-of-a-kind necklace showcases a rare 17.39ct quartz with captivating blue fluorite inclusions, most commonly found in regions like Brazil, and Madagascar. Accented by a stunning 3.75ct purpleish-royal blue tanzanite, six vibrant 2mm blue sapphires, and eleven round brilliant cut, earth-mined diamonds totaling 0.40ctw, this pendant is expertly set in 14K white gold. Finished with an 18" multi-strand steel cable, this handcrafted piece combines exceptional rarity and modern elegance. A true collector’s item.
A Croft & Stern Original
Designed by Kelly Sternau
Blue fluorite-included quartz is rare due to the precise and uncommon geological conditions required for its formation. Fluorite (CaF₂) crystallizes in lower-temperature hydrothermal veins, while quartz (SiO₂) forms under a broader range of conditions, typically at higher temperatures. For blue fluorite to be encapsulated within quartz, both minerals must crystallize simultaneously in a shared hydrothermal environment with unique chemical compositions and pressures. The blue coloration of fluorite arises from trace impurities, such as yttrium or rare earth elements, combined with exposure to specific radiation or structural defects. These factors align infrequently in nature, making blue fluorite-included quartz an exceptional rarity.