The glass glows likes deep-set rubies and emeralds and amethysts and jewels of all colors. It was adorned with 145 diamonds, 58 rubies, 24 emeralds, and 16 amethysts. Gemfields is a luxury company that produces emeralds, rubies, and amethysts. Czar Nicholas gave Carl an engraved gold watch decorated with diamonds, pearls, and amethysts. The other articles exported from Tamilakam were ivory, spikenard, betel, diamonds, amethysts and tortoiseshell. Natural citrines are rare; most commercial citrines are heat-treated amethysts or smoky quartzes. The Delta is set with pearls on its sides and amethysts at its angles. He has blond hair and stunning violet eyes, which resemble amethysts. Asshai exports such goods as black amethysts, amber and dragonglass. According to Greek and Roman legend, amethysts protected their owners from drunkenness. Several South Carolina amethysts are on display at the Smithsonian Museum of Natural History. Adam and the Amethysts are a Canadian indie rock band formed in Montreal in 2004.