Act 1.group 4..Guess what_ Minerals, and gem stones

Guess each word and fill the blank space based on the description. We can give you the first letter as a hint to help. and the second and third but each hint will cost you . 1 for one, 2 for 2, 3 for 3 and so on. Want to give it a try? Let's do it!
Each correct word gives you 10 points.