For those born in the month of March, the official gemstone is the Aquamarine. It can range in color from a very pale shade, almost colorless, which is also the most valuable, to a most sought-after deep-blue aqua.
The 10 Biggest Dog Breeds. 1  Tibetan Mastiff: This handsome dog is known for the lionlike mane around his head. He was bred to guard temples. The biggest Tibetan Mastiff is said to have been around 280 pounds, but these days they average 180 pounds.
Flynn, who is a big man himself, weighed 270 pounds and his dog still weighed more than him, tipping the scales at 282 pounds with a 38-inch neck. It's important to note that the biggest dog (and breed of dog) in terms of mass is the English Mastiff, with Zorba the OEM taking the crown.