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  2. List of U.S. state minerals, rocks, stones and gemstones

    en.wikipedia.org/wiki/List_of_U.S._state...

    ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...

  3. International Silver Company - Wikipedia

    en.wikipedia.org/wiki/International_Silver_Company

    International Silver Company, General Office, Meriden, Connecticut. The International Silver Company (1898–1983, stopped making silver), later known as Insilco Corporation[ 2] and also known as the ISC, was formed in Meriden, Connecticut as a corporation banding together many existing silver companies in the immediate area and beyond.

  4. Gemological Science International - Wikipedia

    en.wikipedia.org/wiki/Gemological_Science...

    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]

  5. List of archaeological sites in Tennessee - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological...

    The Holliston Mills site, a Mississippian town in Upper East Tennessee, is located on the north bank of the Holston River south of Kingsport in Hawkins County, Tennessee. The site was excavated by members of the Tennessee Archaeological Society between 1968 and 1972.

  6. Luminous gemstones - Wikipedia

    en.wikipedia.org/wiki/Luminous_gemstones

    The first theme is using legendary luminous gems to illuminate buildings, for navigation lights on ships, or sometimes as guiding lights for lost persons (Ball 1938: 498–500). In India, the earliest country in which fine gemstones were known, belief in luminous gems dates back some twenty-five centuries.

  7. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    5 Chatoyant gems. 6 Asterism. 7 See also. 8 References. 9 Further reading. Toggle the table of contents. List of gemstones by species. 6 languages.

  8. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    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 ...

  9. List of covered bridges in Connecticut - Wikipedia

    en.wikipedia.org/wiki/List_of_covered_bridges_in...

    Below is a list of covered bridges in Connecticut. As of 2021, there were nine authentic covered bridges in the U.S. state of Connecticut; three of these are historic. [1]: 20 A covered bridge is considered authentic not due to its age, but by its construction.