Granite bits and sandblasting over a rubber stencil. Leaving the letters, numbers, and emblems exposed on the stone, the blaster can create virtually any kind of artwork or epitaph. The stone known as "black granite" is usually gabbro, which has a completely different chemical composition. Granite has been extensively used as a dimension stone and as flooring tiles in public and commercial buildings and monuments. Aberdeen in Scotland, which is constructed principally from local granite, is known as "The Granite City". Because of its abundance in New England, granite was commonly used to build foundations for homes there. The Granite Railway,
Granite City, Illinois years of age or older. The average household size was 2.42 and the average family size was 3. In the city the population age range was spread out with 22.9% under the age of 18, 13.3% from 15 to 24, 26.2% from 25 to 44, 26.6% from 45 to 64, and 15% who were 65 years of age or older. The median age was 38.2 years. For every 100 females, there were 92.5 males. For every 100 females age 18 and over, there were 90.7 males. The median income for a household in the city in 2014 was $43,759, and