The crown is plaster, but the rest is Italian marble. The blanks were cut from the quarry block to try to convey that everything here was once one large block.
There is nothing like a good pulley, when it comes to raising and placing things ever so gently.
What it takes to get things done gets done. The brick stops here.
The Italians count their joint thickness based on the thickness of the blade available. 1/16th” joints. Perfect.