garnet

Yellow Mali garnet, 1.41 cts. © All That Glitters. Used with permission.

Cushion-cut Mali garnet, 0.95 cts, 6.7 x 5.1 x 3.4 mm, Mali. © ARK Rare Gems. Used with permission.

This spessartite gets its color primarily from manganese, so it’s primarily idiochromatic. © Rob Lavinsky, www.iRocks.com. Used with permission.…

This demantoid garnet specimen is mostly andradite but certainly contains a mixed chemistry. © Rob Lavinsky, www.iRocks.com. Used with permission.…

Green hues are rare in garnet. Most green garnets form as small gems, like the tsavorite in this gold ring. Photo courtesy of liveauctioneers.com…

This garnet features a sharp, six-rayed star. Photo courtesy of liveauctioneers.com and Jasper52.

Matched rhodolites, 2.52 cts and 6.5 mm each, Tanzania. Photo © Joel E. Arem, PhD, FGA. Used with permission.

2.15-ct rhodolite cabochon, 8 x 6 x 3 mm, Madagascar. Photo courtesy of liveauctioneers.com and Jasper52.

14k gold ring with marquise-cut rhodolites, 0.60 ctw, and diamonds, 0.20 ctw, in a floral design. Photo courtesy of liveauctioneers.com and I&S…