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Peridot. Peridot ( / ˈpɛrɪˌdɒt, - ˌdoʊ / PERR-ih-dot, -doh ), sometimes called chrysolite, is a yellow-green transparent variety of olivine. Peridot is one of the few gemstones that occur in only one color. Peridot can be found in mafic and ultramafic rocks occurring in lava and peridotite xenoliths of the mantle.
Ada is a city in and the county seat of Pontotoc County, Oklahoma, United States. [ 4] The population was 16,481 at the 2020 United States Census. The city was named for Ada Reed, the daughter of an early settler, and was incorporated in 1901. [ 5] Ada is home to East Central University, and is the capital of the Chickasaw Nation.
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Topaz is a gemstone. In cut and polished form, it is used to make jewelry or other adornments. Lower quality topaz is commonly used as an abrasive material due to its hardness and it is used to produce refractory materials for high temperature environments. [ 7] Topaz can be used as a flux in steel production. [ 23]
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The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [ 1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
BC Clark Jewelers is a full-service jeweler that currently operates three stores in Oklahoma City, Oklahoma. The company, founded in Purcell, Indian Territory in 1892, claims to be "Oklahoma's oldest jeweler." [1] Today, the company operates three locations in Oklahoma City. BC Clark is most well-known for its iconic "Anniversary Sale" jingle ...