Tin Ore (block)

Tin ore is a mineral block found underground. It's one of the most common, and weakest mineral that can be used to craft tools and armor. Tin ore requires a stone pickaxe or better to mine, and it will drop between one and three tin ore items, which are smelted three at a time to get a  tin ingot. Tin ingots can be used to craft weak tools and armor, as well as buckets.

Natural Occurrence
Tin occurs above layer 16, up to layer 112. It's the most common ore found in the overworld, as well as copper.