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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 ...
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Website. www .gia .edu. 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 ...
Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...
Gungywamp / ˈɡʌndʒiwɒmp / is an archaeological site in Groton, Connecticut, United States, consisting of artifacts dating from 2000-770 BC, a stone circle, and the remains of both Native American and colonial structures. Besides containing the remains of houses and storage structure, the Gungywamp site has a double circle of stones near ...
Total carat weight (t.c.w.) is a phrase used to describe the total mass of diamonds or other gemstone in a piece of jewelry, when more than one gemstone is used. Diamond solitaire earrings, for example, are usually quoted in t.c.w. when placed for sale, indicating the mass of the diamonds in both earrings and not each individual diamond.
Added to NRHP. March 9, 2007. The Rossie Velvet Mill Historic District is located in the village of Mystic in Stonington, Connecticut. Its main focus is the former Rossie Velvet Mill, a large brick industrial facility on the east side of Greenmanville Avenue that is now a research center for the nearby Mystic Seaport Museum.
There are eight counties in the U.S. state of Connecticut . Four of the counties – Fairfield, Hartford, New Haven and New London – were created in 1666, shortly after the Connecticut Colony and the New Haven Colony combined. Windham and Litchfield counties were created later in the colonial era, while Middlesex and Tolland counties were ...