Pink to red spinel is in high demand among gem connoisseurs. - Courtesy a Private Collector and Mona Lee Nesseth, Custom Estate Jewels Spinel, like garnet and diamond, is singly refractive, with the ...
They might also be surprised to know that topaz has so many more colors to offer gem lovers, including pinks and purples that rival the finest fancy sapphires. Topaz is allochromatic, which means that ...