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.
Q: How is beef graded? A: Independent USDA graders inspect cattle and label them according to the grading scale: Prime, Choice, Select and several low-quality grades. A: The same independent USDA graders inspect black-hided cattle (typical of the Angus breed) and give it a grade. All beef considered for the brand must be the best Choice, or Prime, beef â truly the top of the scale.