Amber

Amber has something special. It has fascinating (golden-like) colours, it can shine, it is transparent/ you can look through it. Amber can have some smoothing/ healing power and it can show history! Amber is not just a stone: It has not always been stone; it was plant sap before. Tree resin. And as such, it can capture unexpectedly living beings, objects that got stuck in the sticky fluid and then harden up into a stone. This is an interesting article on amber:

https://cosmosmagazine.com/biology/the-history-of-life-in-golden-stones