Alexandrite is a rare variety of mineral that changes color depending on the light, according to the Geological Institute of America. Some even call it "emerald by day, ruby by night." The stone ...

In incandescent light, it can appear red or purple. Alexandrite often represents luck and prosperity. Moonstone is well-known for its adularescence, or optical phenomenon that gives the gemstone a ...

The "A Rift in Time" DLC provides players with a ton of content, including new characters, biomes, and even a new gem called Alexandrite. This new addition can only be collected by players who ...