Amethyst is the official state gemstone of South Carolina. It represents the color of the aquamarine gemstone. Connecticut has almandine garnet as its state gemstone. Blue topaz is the state gemstone of the US state of Texas. Jadeite is one of two minerals recognized as the gemstone jade. Opal is the national gemstone of Australia. It is usually massive and forms the bulk of the gemstone lapis lazuli. The black fire opal is the official gemstone of Nevada. The hardness of diamond contributes to its suitability as a gemstone. She increases power of Shani and is the goddess of the gemstone sapphire. The name derives from the typical appearance of the emerald gemstone. His left hand has a patterned gold ring with a large green gemstone. Jasper breaks with a smooth surface and is used for ornamentation or as a gemstone. Intensely red coral is prized as a gemstone. Apatite is infrequently used as a gemstone.