Have you heard of Pounamu aka Jade? It's only found in New Zealand's South Island and is known for it's deep green beauty. Maori and artists use it to make jewellery and sculptures as it's easy to be drawn to it's power.
Sometimes you can find small pieces on West Coast beaches but the general rule is that there are limited places you can take it from and it must be in small amounts not big pieces. There are 5 types - each type has it's own unique look and features: