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.
The Great Dane is one of the tallest dog breeds. The record holder for tallest dog was a Great Dane called Zeus (died September 2014; aged 5), that measured 111.8 cm (44.0 in) from paw to shoulder. Scooby-Doo is a famous fictional dog of this breed.