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.
More Detailed Information on USDA Prime and Choice Graded Beef. PRIME [The Moderately Abundant Picture Above] This is the grade of beef that contains the greatest degree of marbling (small flecks of fat that are interspersed with the lean muscle, which contributes to tenderness, juiciness and flavor).