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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 ...
The Flag of Hawaii [1] Seal: The Great Seal of the State of Hawaii [2] Motto "Ua Mau ke Ea o ka ʻĀina i ka Pono" ("The life of the land is perpetuated in righteousness") — [3] Popular name "The Aloha State" — [4]
The Real ID Act of 2005 (stylized as REAL ID Act of 2005) is an Act of Congress that establishes requirements that driver licenses and identification cards issued by U.S. states and territories must satisfy to be accepted for accessing federal government facilities, nuclear power plants, and for boarding airline flights in the United States.
GIA also exists to educate the gem and jewelry industry and the general public through its publications and outreach efforts. Most notable of these efforts is the quarterly publication of the magazine Gems & Gemology, a respected journal in the field. The journal includes full-length feature articles, as well as reports on GIA research ...
Saw-cut and polish—Stones up to 1/2 kg are cut with diamond saws into thin slabs, which then are cut into various shapes. One side of the shaped slab is polished producing fine jewelry pieces and collectible gems called cabochons. (Note the value of large Lake Superior agates, which weigh a few pounds or more, will lose most of their value if ...
Gem identification is basically a process of elimination. Gemstones of similar color undergo non-destructive optical testing until there is only one possible identity. Any single test is nearly always only indicative. For example: The specific gravity of ruby is 4.00, glass is 3.15–4.20, and cubic zirconia is 5.6–5.9 . So one can easily ...
Arkansas: still no state fossil in Arkansas, though the state designated Arkansaurus as its state dinosaur. [1] District of Columbia: Capitalsaurus is the state dinosaur of Washington D.C., but the District has not chosen a state fossil. Florida: There is no state fossil in Florida, though agatised coral, which is a fossil, is the state stone ...
IGI provides its services to the public through diamond dealers, and jewelry manufactures. IGI provides independent grading reports, colored stone reports, identification and appraisal reports, diamond authentication and attestations of origin, and laser inscription services.