When limestone gets even more squashed, it can turn into travertine or marble. Limestone is also the main way you get lime, which is one of the things you make cement out of. To get lime, you have to burn limestone in lime kilns, and then what is left is lime. In the Middle Ages, people burned most of the statues of ancient Greece and Rome to turn them into lime.
Far as I am aware, CBD oil is not legal in Texas. It is legal for medical use in only Utah, Alabama, Kentucky, Wisconsin, Mississippi, Tennessee, North and South Carolina, Iowa, Florida, Georgia, New York, and Missouri.
So, since CBD oil from industrial hemp is completely safe to consume and thus legal in all 50 US states and more than 40 countries worldwide, you can simply purchase it online from wherever you are and have it delivered to your doorstep within days.