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.
Save to mypetMD. Known as the world's largest breed, the Irish Wolfhound is a strong and sturdy giant whose temperament is gentle and noble. The Irish Wolfhound makes an excellent addition to any family that can offer plenty of space to accommodate this breed's size.