Did you know?

  1. Approximately 50% of granite’s weight is oxygen.
  2. All the granite we can see came from between 1 and 20 miles below the earth’s surface.
  3. The word granite comes from the Latin word granum, meaning ‘grain’ – probably due to its granular appearance, caused as molten rock cools beneath the Earth’s surface and solidifies as quartz, feldspar, mica and small quantities of other minerals. These minerals give granite its speckled look.
  4. Granite is more durable and stain resistant than limestone, sandstone or marble.
  5. The third highest mountain in the world, Kangchenjunga, is made of granite. It’s 28,169 ft. high. Its part of a 2.5 mile-thick sheet of light-colored granite formed deep in the thickened crust of the Himalayas.
  6. True granite must consist of at least 20% quartz and 35% orthoclase feldspar. No other minerals are required, but these percentage criteria must be met.
  7. Granite has a density is about two-and-a-half times heavier than the same volume of water.
  8. Granite is an igneous, plutonic rock.‘ Igneous’ means it was formed by volcanic activity, while ‘plutonic’ indicates that this happened very deep below the Earth’s surface.