What is a rocks name with rainbow crystals inside it?

Answer:
Phantom quartz crystal, they form from changes in solution as the point is growing in the limestone strata, as the mineralization changes so dose the color of the phantom coated point in the point, and so on tell the solution aquifer has stop flow of sediment in solution.

Many times if a stone shows a prism or rainbow effect. The stone is cracked. You are seeing the prism effect reflections. Pretty. But unstable.

First answer by Colorshapetexture. Last edit by Colorshapetexture. Contributor trust: 7 [recommend contributor recommended]. Question popularity: 4 [recommend question].