However, in 2005, it was reported that miners in Madagascar dug up a gem weighing 1,182 pounds which has also been feted as the world's largest emerald. Of less contention is the largest known pearl which was found by a Filipino diver off the island of Palawan in 1934.
USDA Beef Grades. Beef is graded for quality by U.S. Department of Agriculture (USDA) graders according to standards established by the USDA. Grades are based on the amount of marbling (flecks in fat within the lean) and the age of the animal.
People ask us all the time what the best and worst cuts of beef are. Grades of Beef: The best and worst cuts of beef can be broken down into different grades. Grading is usually done by third party organizations and government agencies like the USDA. The grades of meat are typically determined by the marbling of the meat and the age of the animal.