smokesignal1:nanodash: This is Alexandrite, it’s also called “emerald by day, ruby by night” It changes colour based on whether the light source is from the sun or from a candle. It does this because Alexandrite strongly absorbs yellow light due

smokesignal1:nanodash: This is Alexandrite, it’s also called “emerald by day, ruby by night” It changes colour based on whether the light source is from the sun or from a candle. It does this because Alexandrite strongly absorbs yellow light due

tags: Hi, I'm a shy weirdo,

from: https://amatsuhi.tumblr.com/post/113767015129