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.
Notable giant dogs. Giant George, was a blue Great Dane previously recognised as the world's tallest living dog, and the tallest dog ever by Guinness World Records. Titan, was an American male white Great Dane who was a holder of the Guinness World Records as the world's tallest dog.