How do you maintain Jerusalem stone as a kitchen countertop?

First thing you need to do is decide if you want to go with natural stone or faux stone. If you want to do it the old fashioned way this will be a lot more time consuming and costly.

Granite countertops are extremely durable, easy to clean and very fasionalble right now. Granite coms in a wide range of colours and patterns to choose from

No; they have no mechanism by which they regulate or maintain a specific temperature. They tend toward the ambient temperature of their surroundings.

Marble countertops are great - they're a really easy and inexpensive way to make your kitchen look super classy.

You go shopping Buy the items you need stock them in your kitchen.