I was looking for the same answer. I found this website from Lowes detailing the process. It inludes pics and steps.
http://www.lowes.com/lowes/lkn?action=howTo&p=Build/StnVen.html
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A large cut block of stone.
To excavate the stone 'pounders' were used to pulverize the stone around the edge of the block. 60 - 70 men would pound out the stone. At the bottom of the block they rammed wooden pegs into slots they had cut and filled the slots with water. The pegs would expand, splitting the stone and the block was then slid down onto a waiting boat
an obelisk, column, large statue, etc., formed of a single block of stone
They used copper chisels and hammers. The problem with them is that they wore down very fast, so they had a system of production to make them and always have a sharp one. It took a long time to cut a large block of stone. Sometimes they could use cracks all ready in the stone or create cracks through heat by heating the stone block.
as heavy as my but hole Wow, you are so mature, each block in the great pyramid weighed about 2.5 tons (5,000 pounds)