Peridot is often given as gifts for the sixteenth wedding anniversaries. Spinel comes in a variety of colors, such as red, pink, orange, purple, blue and green. Due to this range, spinel has ...

By Kathleen Beckett Pity the poor spinel. The gemstone that many people have never heard of has been saddled for centuries with the name “the great impostor,” Alessandro Borruso said as he ...