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.
English Mastiff is the largest dog breed in the world by considering the mass. This breed has an average weight of 68-110 kg and shoulder height of 27-33 inches. On 26th September 1981 the Guinness book of world records recognized an old English Mastiff named Zorba as the heaviest and longest dog in the world.
The Guinness world record for biggest (heaviest) dog was set in 1989 by an Old English Mastiff named Aicama Zorba of La-Susa, owned by Chris Eraclides of London, England. Zorba weighed in at 343 pounds. The biggest dog alive is said to be a female English Mastiff named Kell, who weighed 286 pounds in 1999.