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 (also known as the German Mastiff or Granddanois, affectionately called the Gentle Giant or just Dane) is among the world s tallest breeds. Germany lays claim to this breed s origin.ome weigh up to 90 kg [200 lbs]. The Great Dane is a giant, powerful dog, but with great elegance and nobility. It has a long head with a deep muzzle, pronounced stop (point at which the muzzle meets the forehead), round eyes, and a scissors bite.