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.
English Mastiff is the largest dog breed in the world by considering the mass. This breed has an average weight of 68-110 kg and shoulder height of 27-33 inches. On 26th September 1981 the Guinness book of world records recognized an old English Mastiff named Zorba as the heaviest and longest dog in the world.
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. 2  Caucasian Ovcharka: This breed averages 190 pounds, though itâs not uncommon to see one close to 250 pounds.