Granite doesn't have a specific size. It's a type of rock, and can be found in various sizes:

* Large Granite Formations: Mountains, cliffs, and large rock formations can be made entirely of granite.

* Granite Slabs: These are commonly used in construction and can be cut to various dimensions, typically ranging from several feet to over 10 feet long and wide.

* Granite Tiles: Smaller pieces of granite are cut into tiles for flooring, countertops, and other applications. These range in size from a few inches to over a foot.

* Granite Gravel and Sand: Broken-down granite can be found as gravel and sand used in landscaping and construction.

So, the "size of granite" depends entirely on what you're referring to! Let me know if you have a more specific context in mind.