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Pink sapphire, rose quartz, star ruby, rhodonite, rubellite, pink tourmaline and — last but certainly not least — pink diamonds.

This necklace — in pink gold with seven lozenge-size oval stones of more than 14 carats each, including topaz, rubellite, morganite and three colors of quartz — recalls those untamed days: a cascade of Technicolor glamour and endless light.

David Webb ring featuring cabochon rubellite, sapphires, brilliant-cut diamonds, hammered 18K gold and platinum.

He sees a thousand crystalline display cases, so clear they seem to float above the floor; inside them wait the world’s mineral treasures, harvested from every hole on the globe: dioptase and topaz and amethyst and California rubellite.

He also showed a Syrah blend rosé called Rubellite with a big dose of minerality.