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 mastiff is also one of the most powerful dog in the world. My friends mastiff Abraham  was the top weight pull dog in North America in 2004 PULLING 7300 POUNDS. The Old English Mastiff is the LARGEST breed of dog in the world..They can weigh anywhere from 110 pounds to the 343 pounds. Zorba,an English mastiff ,held the world record of the world's largest dog. Although most Mastiff males weigh around 160-230 pounds and females around 120-190 pounds.The height of a mastiff can range from 25 inches at the shoulder to 36 inches.s a Mastiff breeder, our kennel produces quality puppies. WHAT IS THE LARGEST BIGGEST HEAVIEST BREED OF DOG IN THE WORLD. The Old English Mastiff is the LARGEST breed of dog in the world.