How much granite is in the Elberton area?

The Elberton Granite deposit is a mass of granite approximately 35 miles long, six miles wide and most likely two to three miles deep. The total amount of granite in the Elberton area is approximately six million million tons. That is enough granite to fill the Rose Bowl nearly two million times.

How hard is Elberton granite? Why is it so hard?

The hardest material on earth, diamond, has a hardness of "10". It can only be scatched by other diamonds. The softest materials have a hardness of "1" and are easily scratched. Few materials, except precious, stones are harder than "7". Elberton granite is very hard, "6"-"7", and is very tough to break due to its tightly bonded quartz and feldspare grains as well as their atomic structure. No other natural stone used for commercial purposes is any harder or more difficult to break than granite.

Material Oak Wood Glass Steel Elberton Granite Diamond

Hardness 2 5 6 6-7 10

Crushing Strength?