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In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
Diamond[ a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...
Jewelry applications of precious opal can be somewhat limited by opal's sensitivity to heat due primarily to its relatively high water content and predisposition to scratching. [11] Combined with modern techniques of polishing, a doublet opal can produce a similar effect to Natural black or boulder opal at a fraction of the price.
The 15th congressional district of Ohio is currently represented by Republican Mike Carey. It was represented by Republican Steve Stivers from 2011 until May 16, 2021, when he resigned to become president and CEO of the Ohio Chamber of Commerce. [ 3] The district includes all of Franklin County that is not in the 3rd district, including Grove ...
Diamond collection. Website. Official site. The Diamond Fund ( Russian: Алмазный фонд) is a unique collection of gems, jewelry and natural nuggets, which are stored and exhibited in the Kremlin Armoury in Russia. The Fund was opened in 1967 and its collection dates back to the Russian Crown treasury instituted by Emperor Peter I of ...
New York City. , New York. , United States. Website. www .gemscience .net. Gemological Science International, or GSI, is an independent gemological organization that is one of the largest gemological entities in the world, with offices in four continents. [1] [2] [3]
Here are the All-Central District soccer honorees, selected by the Ohio Scholastic Soccer Coaches Association. For central Ohio, the season ended Saturday night, when the Worthington Christian ...
The Northeast Ohio Baseball Coaches Association released its 2024 all-district teams. The NEOBCA includes more than 200 schools and serves Ashland, Ashtabula, Columbiana, Cuyahoga, Geauga, Lake ...