August Birthstone True or False: Peridot and Sardonyx

By: Empire Pawn of Nassau Inc  08/04/2014
Keywords: Gold Jewelry, Diamond Jewelry, Antique Jewelry

August’s birthstones are peridot and sardonyx. Test your knowledge of them with Empire Jewelers’ true/false quiz! Scroll down for the answers—but no cheating! Peridot is the gem variety of the mineral olive oil. Peridots range in color from yellow-green to blue. Peridot is formed in magma deep in the earth’s mantle, and is brought to the surface by volcanic or tectonic activity. The word 'peridot' is derived from the Greek word 'peridona,' which means 'to give richness.' Peridot is also known as 'chrysolite,' derived from the Greek 'gold stone,' and 'olivine.' Peridot is the stone given to celebrate a 15th wedding anniversary. Peridot is an ancient gem, and can be found in Egyptian jewelry from the early 2nd millennium BC. The ancient Romans called peridot “the evening emerald” because of its deep blue color when reflected by lamplight. Peridot is the national gem of Egypt, where it is referred to as the “gem of the pyramids.” Sardonyx is a variation of onyx, a semiprecious stone of the silica mineral, agate. Sardonyx only appears in hues of orange and red. The word sardonyx is derived two Greek words: Sard, meaning reddish-brown, and onyx, meaning veined ox. During the Renaissance, sardonyx was often worn by public speakers to make them invisible to the audience. On sardonyx gems, the layers of white, grey or black interspersed with red or reddish brown are created by layers of reddish-brown mud and layers of lava. True/False Answers: False. Peridot is the gem variety of the mineral olivine. False. Peridots range in color from yellow-green to lime-green. True True True False. Peridot is given to celebrate the 16th wedding anniversary. True False. The ancient Romans called peridot “the evening emerald” because of its deep green color when reflected by lamplight. False. Peridot is the national gem of Egypt, where it is referred to as the “gem of the sun.” True True False. The word sardonyx is derived from Sard, meaning reddish-brown, and onyx, meaning veined gem. False. During the Renaissance, sardonyx was often worn by public speakers to make them more visible to the audience. True

Keywords: Antique Jewelry, Diamond Jewelry, Gold Jewelry

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