garnet

Three almandine cabochons, locality India, on display at the Mineralogical Museum, Bonn, Germany. Photo by Ra’ike. Licensed under CC By-SA…

16.76-ct almandine-pyrope garnet, dark red, rectangular step cut, 16 x 12.1 mm, India. © The Gem Trader. Used with permission.

Almandine garnets from the Cretaceous, Garnet Ledge, Alaska, USA. Each crystal measures approximately 8 mm across. Photo by James St. John. Licensed…

Star garnet (almandine): Africa (ca 15). © Joel E. Arem, PhD, FGA. Used with permission.

Gold ring with almandine garnet and hyacinths (zircons). German work from the latter half of the 19th century. From the collection of the Hallwyl…

Rockefeller engagement ring with cushion-cut garnet center stone and a double halo of round diamonds accented by baguette diamonds. © Heidi…

Brilliant oval grape garnet. © Artinian Gems. Used with permission.

Red garnets, like this almandine, may also resemble rubies. However, unlike rubies, garnets have no birefringence. Gemologist can used a dichroscope…

Round brilliant demantoid garnet, 2.26 cts, 8.0 x 5.0 mm, Antetezambato, Ambanja District, Antsiranana Province, Madagascar. © Rob Lavinsky,…