Practical Gemology refers to the application of the knowledge of characteristics and properties of gemstones in identification or separation of synthetics and imitations. Diamond grading is included in practical gemology.
In November 1919 and January 1920, in what notoriously became known as the âPalmer Raids,â Attorney General Mitchell Palmer began rounding up and deporting so-called radicals. Thousands of people were arrested without warrants and without regard to constitutional protections against unlawful search and seizure.
U.S. Attorney Matt M. Dummermuth says the operation was the largest single-site immigration raid in U.S. history. Braley wants tally on immigration raids. Associated Press, May 21, 2008 DES MOINES, Iowa - U.S Rep. Bruce Braley wants to know the cost of Immigration raids at meatpacking plants.