garnet

…work best. Spectrolite rainbow pendant and accent gem types, including amethyst, pink sapphire, spessartite garnet, yellow sapphire, demantoid…

…garnets on hand. When we did our side-by-side comparisons, we found one of the red garnets brought out the red in the opals, rather than subduing…

…two properties, specific gravity and birefringence, holds the key. By Donald Clark, CSM IMG 1 minute read 12 round, brilliant-cut yttrium…

…garnet are distinct gem species with very different refractive indices (RI), specific gravity (SG), and hardness. Although colorless grossular…

…diagrams can really help. By Donald Clark, CSM IMG 4 minute read This oval brilliant-cut garnet displays a greenish golden brown in sunlight…

…Here’s what gemologists should include in their appraisals. By Donald Clark, CSM IMG 6 minute read Tanga garnet ring, submitted by Rolf.…

…False. Demantoid is a variety of andradite. Andradite is a species of garnet. See our article on gem species and varieties and our garnet gem…

…and more synthetic gems were introduced, such as opal, turquoise, alexandrite, yttrium aluminum garnet (YAG), and gadolinium gallium garnet…

…the modern alternative, choose one of the ancient stones for your jewelry. January Garnet is January’s traditional and modern birthstone.…