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.
Attorney General Mitchell Palmer, assisted by J. Edgar Hoover, then a young lawyer, conducted a series of raids against groups suspected of communist sympathies. Groups such as The Union of Russian Workers and International Workers of the World (IWW) were targeted.