Study Sources:

http://aquatic-souls.tumblr.com/post/94348209870/gabriel-leon-photography
http://underthescopeminerals.tumblr.com/post/96040660268/lazulite-crystal-of-lazulite-blue-in-color
http://m.forocoches.com/foro/showthread.php?t=2303606
http://www.reddit.com/r/waterporn/comments/1rf6zw/yingxi_corridor_china_900x630/
http://yebbi-gongju.tumblr.com/post/94566578913/transparent
https://www.flickr.com/photos/panafoot/9102691381/