A purple glow in the sky over West Michigan is not the Northern Lights. ... Ice crystals often do crazy optical things for us in the atmosphere, like sun dogs or ice pillars.

The glowing crystal that won first prize of the “Cool Crystal” category. Credit: Gage Bateman and Jason Benedict A giant purple crystal that was one of the entries of the “Cool Crystal” category.

Olympium is a glowing purple ore that you can find in the Deep Zone. Olympium is an extremely rare resource that can only be found in Deep Zone areas. It's a crystalline material that grows on ...