Used Rarely. rolling plan is in the lower 50% of commonly used words in the Collins dictionary
Most travertine is 3/8 of an inch thick but some other larger stones may be a 1/2 inch thick or more. 24x24 is usually 1/2 in thick an can even be as thick as 1in. 24in Travertine is extremely heavy , some pieces can weigh as much as 50 pounds. Thus making it very difficult to install and cut.
I had some food tested but not sure what I am reading since I have an as sent statement and a dry weight statement. It says as sent there is 277 ppm iron, 44 ppm manganese, 30 copper ppm and 159 ppm zinc. Then Dry weight is 299 ppm iron, 47 ppm manganese, 43 ppm copper and 172 ppm zinc.