Thank you @rezaptex for such a lovely reply! I hope you'll have lots of money for your travel soon. I will have to ask my friend who owns a crystal shop about places and old mines where people can go for some digging. Sometimes it can be dangerous going into the forests and mountains without local guides.
A group of my friends had a local hill tribe guide to take them to sacred caves where inside there were lots of crystals and the whole place reflected lights like diamonds when they switched on the torch light. Some caves are still hidden and secret. It can be quite an adventure exploring caves and mountains.

Cheers.